var r=0,u=10,vector1=new Array(13),vector2=new Array(13)

function moureu(id)
{

var l,j,prova,prova1,texte3,texte1,texte,texte2
	l=1
	j=0
	prova=""
	prova1=""
	texte3=""

	while (r<=7 && l==1)
	{
	p="uniu"+r
	j=r+2
	if (r==6) j=7;
	if (r==7) j=8;
	
	capa=id
	eval("texte=document.getElementById('"+capa+"').innerText")
	eval("texte1=document.getElementById('"+capa+"').innerHTML")
	texte2="<div align='center'><font size='5' face='Verdana, Arial, Helvetica, sans-serif'>?</font></div>"
	texte3="<div align='center'>"+texte1+"</div>"

	if(r<3 )
	{
		if (vector1[j]==texte || vector2[j]==texte)
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3")
			r=r+1
			p="uniu"+r
			
			eval("document.getElementById('"+p+"').style.visibility='visible'")
			l=0
			comptadorencerts();
		}
		else
		{
			alert("No és correcte! Torna-ho a provar ")
			l=0
			comptadorerrors();
		}
	}
////////////////		
	if(r==3 && l==1)
	{
		if (vector1[j]==texte || vector2[j]==texte)
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3");
			r=r+1
			l=0
			comptadorencerts();
			apareixer()
		}						
			else
			{
				alert("No és correcte! Torna-ho a provar ")
			l=0
			comptadorerrors();
			}
	}		
	
	if(r>3 && l==1 )
	{
		if (vector1[j]==texte )
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3")
			r=r+1
			comptadorencerts();
			if (r==8) break;
			p="uniu"+r
			eval("document.getElementById('"+p+"').style.visibility='visible'")
				if (r==5)
				{ r=r+1
				p="uniu"+r
				eval("document.getElementById('"+p+"').style.visibility='visible'")		
				}
			l=0
			
		}
		else
		{
			alert("No és correcte! Torna-ho a provar ")
			l=0
			comptadorerrors();
		}
	}

}

}
function moureu3(id)
{

var l,j,prova,prova1,texte3,texte1,texte,texte2
	l=1
	j=0
	prova=""
	prova1=""
	texte3=""

	while (r<=11 && l==1)
	{
	p="uniu"+r
	j=r+2
	//if (r==6) j=7;
	//if (r==7) j=8;
	if (r==10) j=11;
	if (r==11) j=12;
	capa=id
	eval("texte=document.getElementById('"+capa+"').innerText")
	eval("texte1=document.getElementById('"+capa+"').innerHTML")
	texte2="<div align='center'><font size='5' face='Verdana, Arial, Helvetica, sans-serif'>?</font></div>"
	texte3="<div align='center'>"+texte1+"</div>"

	if(r<3 )
	{
		if (vector1[j]==texte || vector2[j]==texte)
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3")
			r=r+1
			p="uniu"+r
			
			eval("document.getElementById('"+p+"').style.visibility='visible'")
			l=0
		}
		else
		{
			alert("ERROR!")
			l=0
		}
	}
////////////////		
	if(r==3 && l==1)
	{
		if (vector1[j]==texte || vector2[j]==texte)
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3");
			r=r+1
			l=0
			u=0
			apareixer()
		}						
			else
			{
				alert("ERROR!")
				l=0
			}
	}		
	
	if(u<3 && l==1 )
	{
		if (vector1[j]==texte || vector2[j]==texte)
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3")
			r=r+1
			p="uniu"+r
			u=u+1
			eval("document.getElementById('"+p+"').style.visibility='visible'")
			l=0
			
		}
		else
		{
			alert("ERROR!")
			l=0
		}
	}
	if(u==3 && l==1)
	{
		if (vector1[j]==texte || vector2[j]==texte)
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3");
			r=r+1
			l=0
			u=u+1
			apareixer3()
			 
		}						
			else
			{
				alert("ERROR!")
				l=0
			}
	}
	if(u>3 && l==1 )
	{
		if (vector1[j]==texte )
		{
			eval("document.getElementById('"+p+"').innerHTML=texte3")
			r=r+1
			u=u+1
			if (r==12) break;
			p="uniu"+r
			eval("document.getElementById('"+p+"').style.visibility='visible'")
				if (r==9)
				{ r=r+1
				u=u+1
				p="uniu"+r
				eval("document.getElementById('"+p+"').style.visibility='visible'")		
				}
			l=0
		}
		else
		{
			alert("ERROR!")
			l=0
		}
	}

	
			
}

}

function apareixer()
{


document.all['missatge1'].style.visibility="visible"
document.all['celiminar1'].style.visibility="visible"
document.all['celiminar2'].style.visibility="visible"
document.all['eliminar1'].style.visibility="visible"
document.all['eliminar2'].style.visibility="visible"
}
function apareixer3()
{
document.all['missatge1'].style.visibility="visible"
document.all['celiminar13'].style.visibility="visible"
document.all['celiminar23'].style.visibility="visible"
document.all['eliminar13'].style.visibility="visible"
document.all['eliminar23'].style.visibility="visible"
}
 


function principi21(id){
capapitjada=id

eval("texte=document.getElementById('"+capapitjada+"').innerText")

capaeliminar='eliminar1'

if (capapitjada==capaeliminar)

{

document.getElementById('celiminar1').style.top=302
document.getElementById('celiminar1').style.left=200
document.getElementById('celiminar2').style.top=285
document.getElementById('celiminar2').style.left=85
document.all['missatge1'].style.visibility="hidden"
document.all['eliminar1'].style.visibility="hidden"
document.all['eliminar2'].style.visibility="hidden"
document.all['uniu4'].style.visibility="visible"
document.all['uniu5'].style.visibility="visible"
}
else
{alert("ERROR!")}
}
function principi22(id){
capapitjada=id
eval("texte=document.getElementById('"+capapitjada+"').innerText")
capaeliminar='eliminar1'
if (capapitjada==capaeliminar)
{
document.getElementById('celiminar1').style.top=335
document.getElementById('celiminar1').style.left=200
document.getElementById('celiminar2').style.top=315
document.getElementById('celiminar2').style.left=85
document.all['missatge1'].style.visibility="hidden"
document.all['eliminar1'].style.visibility="hidden"
document.all['eliminar2'].style.visibility="hidden"
document.all['uniu4'].style.visibility="visible"
document.all['uniu5'].style.visibility="visible"
}
else
{alert("ERROR!")}
}
function principi23(id){
capapitjada=id
eval("texte=document.getElementById('"+capapitjada+"').innerText")
capaeliminar='eliminar1'
if (capapitjada==capaeliminar)
{
document.getElementById('celiminar1').style.top=335
document.getElementById('celiminar1').style.left=200
document.getElementById('celiminar2').style.top=315
document.getElementById('celiminar2').style.left=75
document.all['missatge1'].style.visibility="hidden"
document.all['eliminar1'].style.visibility="hidden"
document.all['eliminar2'].style.visibility="hidden"
document.all['uniu4'].style.visibility="visible"
//document.all['uniu5'].style.visibility="visible"
}
else
{alert("ERROR!")}
}
function principi33(id){
capapitjada=id
eval("texte=document.getElementById('"+capapitjada+"').innerText")
capaeliminar='eliminar13'
if (capapitjada==capaeliminar)
{
document.getElementById('celiminar13').style.top=297
document.getElementById('celiminar13').style.left=194
document.getElementById('celiminar23').style.top=335
document.getElementById('celiminar23').style.left=319
document.all['missatge1'].style.visibility="hidden"
document.all['eliminar13'].style.visibility="hidden"
document.all['eliminar23'].style.visibility="hidden"
document.all['uniu8'].style.visibility="visible"
document.all['uniu9'].style.visibility="visible"
}
else
{alert("ERROR!")}
}
////////



function crearcanvis1(){
	
var a,b,c,unitat_incognita,val_incognita,ordre1,m,d

b=Math.round(Math.random()*125);
if (b<10) c=b;
 if (b==0) c=1;
 if (b>=10) c=b/10;
 if (b>=100) c=b/100;
 xd=50
 
 magnitud=new Array("massa","longitud","capacitat","volum","superficie","superficie1"); //,"superficie2","volum","capacitat1");
a=Math.round(Math.random()*3);
	switch(a)
	{
		case 0:
			n=1;t=6;m=24;m1=6;m2=m1+1;m3=m2+8;m4=m3+1;
			vector=new Array("kg","hg","dag","g","dg","cg","mg","10<sup>8</sup>","10<sup>7</sup>","10<sup>6</sup>","10<sup>5</sup>","10<sup>4</sup>","10<sup>3</sup>","10<sup>2</sup>","10","1","10<sup>-8</sup>","10<sup>-7</sup>","10<sup>-6</sup>","10<sup>-5</sup>","10<sup>-4</sup>","10<sup>-3</sup>","10<sup>-2</sup>","10<sup>-1</sup>",c);
			su=" una massa de ";
			break;
		case 1:
			n=1;t=6;m=24;m1=6;m2=m1+1;m3=m2+8;m4=m3+1;
			vector=new Array("kl","hl","dal","l","dl","cl","ml","10<sup>8</sup>","10<sup>7</sup>","10<sup>6</sup>","10<sup>5</sup>","10<sup>4</sup>","10<sup>3</sup>","10<sup>2</sup>","10","1","10<sup>-8</sup>","10<sup>-7</sup>","10<sup>-6</sup>","10<sup>-5</sup>","10<sup>-4</sup>","10<sup>-3</sup>","10<sup>-2</sup>","10<sup>-1</sup>",c);
			su=" una capacitat de ";
			break;
		case 2:
			n=1;t=6;m=24;m1=6;m2=m1+1;m3=m2+8;m4=m3+1;
			vector=new Array("km","hm","dam","m","dm","cm","mm","10<sup>8</sup>","10<sup>7</sup>","10<sup>6</sup>","10<sup>5</sup>","10<sup>4</sup>","10<sup>3</sup>","10<sup>2</sup>","10","1","10<sup>-8</sup>","10<sup>-7</sup>","10<sup>-6</sup>","10<sup>-5</sup>","10<sup>-4</sup>","10<sup>-3</sup>","10<sup>-2</sup>","10<sup>-1</sup>",c);	
			su=" una longitud de ";
			break;
		case 3:
			n=1;t=5;m=23;m1=5;m2=m1+1;m3=m2+8;m4=m3+1;
			vector=new Array("ha","daa","a","da","ca","ma","10<sup>8</sup>","10<sup>7</sup>","10<sup>6</sup>","10<sup>5</sup>","10<sup>4</sup>","10<sup>3</sup>","10<sup>2</sup>","10","1","10<sup>-8</sup>","10<sup>-7</sup>","10<sup>-6</sup>","10<sup>-5</sup>","10<sup>-4</sup>","10<sup>-3</sup>","10<sup>-2</sup>","10<sup>-1</sup>",c)	
			su=" una longitud de ";
			break;	
	}
 for (var j=0;j<=m;j++)
{
      if (j>=0 && j<=m1)
		{
		xdd=xd+54*j
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd+"px; top:150px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'><div class=ma>"+vector[j]+"</font></div></div>";
		document.write(str);
   		}

      if (j>=m2 && j<=m3)
       {
		xdd=xd+54*(j-m2)
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd+"px; top:179px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><div class=ma><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>"+vector[j]+"</font></div></div>";
		document.write(str);
       }
       if (j>=m4 && j<=m)
       {
		xdd1=xd+54*(j-m4)
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd1+"px; top:209px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><div class=ma><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>"+vector[j]+"</font></div></div>";
		document.write(str);
       }	
}

//triar el canvi d'unitat

tex=""
capaes=""
d=0
unitat_0=""
unitat_1=""			
unitat_incognita=new Array(10)
val_incognita=new Array(2)
ordre1=new Array(2)



		   i=0
		   while (i<2)
	{
			d=Math.round(Math.random()*t);
		
		//Comprovar si l'element no està repetit
		vsercar=vector[d];
		
			vdarrer=2
			j=0;
			k=0;
			
			while (unitat_incognita[j]!=vsercar && j<vdarrer)
			{
			  j=j+1;
			}
			if (unitat_incognita[j]==vsercar)k=1;
			//unitat_incognita[i]=vector[d]
			////////
			if (i==0)
			{
			unitat_incognita[i]=vector[d]
			capaes="capau"+d
			eval("tex=document.getElementById('"+capaes+"').innerText")
			unitat_0=tex
			}
			if (i==1)
			{
			capaes="capau"+d
			eval("tex=document.getElementById('"+capaes+"').innerText")
			unitat_incognita[i]=vector[d]
			unitat_1=tex
			}
			//////////////////
		
			val_incognita[i]=i
			ordre1[i]=d
			
			i=i+1-k	
}

		//crear vector
		
			j=ordre1[1]-ordre1[0]
			
			m=-j
			 
			if ( b<100) {k=n*j+1};
			if ( b<10) {k=n*j};
			if (b>100) k=n*j+2;
			
			vector1[0]=b
			vector1[1]=unitat_incognita[0]
			vector1[2]=unitat_0
			vector1[3]=unitat_1
			vector1[4]="1"

			switch(n)
			{
			case 1:
				if (j==1){vector1[5]="10"}
				else{vector1[5]="10"+n*j};
				break;
			case 2:
				if (j==1){vector1[5]="102"}
				else{vector1[5]="10"+n*j};
				
				break;
			case 3:
				if (j==1){vector1[5]="103"}
				else{vector1[5]="10"+n*j};
				break;
			}
			vector1[6]=c
			if (k!=1)vector1[7]="10"+k;
			if (k==0)vector1[7]="1"; 
			if (k==1)vector1[7]="10";
			vector1[8]=unitat_1
			vector2[0]=b
			vector2[1]=unitat_incognita[0]
			vector2[2]=unitat_0
			vector2[3]=unitat_1
			switch(n)
			{
			case 1:
				if (m==1){vector2[4]="10"}
				else{vector2[4]="10"+n*m};
				break;
			case 2:
				if (m==1){vector2[4]="102"}
				else{vector2[4]="10"+n*m};
				break;
			case 3:
				if (m==1){vector2[4]="103"}
				else{vector2[4]="10"+n*m};
				break;
			}
			vector2[5]="1"
			vector2[6]=c
			if (k!=1)vector2[7]="10"+k;
			if (k==0)vector2[7]="1"; 
			if (k==1)vector2[7]="10";
			
			vector2[8]=unitat_1

///////////
// crearcapes per factors
//*********************

//********************
var capapitjada, capaeliminar
str="<div id='factor' style='position:absolute; left:40px; top:287px; width:44px; height:27px; z-index:2; visibility: visible'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>"+vector1[0]+"<sup>&nbsp;</sup> </font> </div>";
document.write(str);
str="<div id='factor1' style='position:absolute; left:88px; top:287px; width:45px; height:27px; z-index:2; visibility: visible'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>"+vector1[1]+"<sup>&nbsp;</sup> </font> </div>";
document.write(str);
str="<div id='Layer5' style='position:absolute; left:129px; top:287px; width:125px; height:27px; z-index:5; visibility: visible'><img src='puntratllaigual.gif' width='138' height='35'></div>";
document.write(str);
str="<div id='uniu3' style='position:absolute; left:139px; top:270px; width:50px; height:27px; z-index:9; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);
str="<div id='uniu1' style='position:absolute; left:194px; top:270px; width:50px; height:27px; z-index:8; background-color:#FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);
str="<div id='uniu2' style='position:absolute; left:140px; top:308px; width:50px; height:27px; z-index:7; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);
str="<div id='uniu0' style='position:absolute; left:194px; top:308px; width:50px; height:27px; z-index:6; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: visible'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);


var ss="Quines unitats has de simplificar ?"
var x="X"
str="<div id='missatge1' style='position:absolute; left:50px; top:240px; width:357px; height:27px; z-index:15; background-color: #594dc9; layer-background-color: #0000FF; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='4' color='#ffffff'>"+ss+"</font></div>"
document.write(str);
str="<div id='celiminar1' style='position:absolute; left:300px; top:240px; width:32px; height:27px; z-index:11; visibility: hidden '> <font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000 '>xxx</font></div>"
document.write(str);
str="<div id='celiminar2' style='position:absolute; left:300px; top:240px; width:32px; height:30px; z-index:12; visibility: hidden'> <font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>xxx</font> </div>"
document.write(str);
str="<div id='eliminar1' style='position:absolute; left:415px; top:240 px; width:35px; height:27px; z-index:15; background-color: #594dc9;; layer-background-color: #0000FF; border: 1px none #ffffff; visibility: hidden'  onClick='principi21(id)'> <div class=ma><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>"+unitat_incognita[0]+" </font></div></div>"
document.write(str);
str="<div id='eliminar2' style='position:absolute; left:460px; top:240px; width:35px; height:27px; z-index:14; background-color: #594dc9; layer-background-color: #0000FF; border: 1px none #ffffff; visibility: hidden' onClick='principi21(id)'> <div class=ma><font face='Verdana, Arial, Helvetica, sans-serif' size='5'><font size='4' color='#000000'>"+unitat_incognita[1]+"</font></font> </div></div>"
document.write(str);
str="<div id='uniu4' style='position:absolute; left:265px; top:287px; width:35px; height:27px; z-index:4; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>"
document.write(str);
str="<div id='uniu5' style='position:absolute; left:307px; top:287px; width:6px; height:27px; z-index:3; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='4' color='#000000'><sup>&nbsp;</sup>&middot;</font></div>"
document.write(str);
str="<div id='uniu6' style='position:absolute; left:317px; top:287px; width:50px; height:27px; z-index:2; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>"
document.write(str);
str="<div id='uniu7' style='position:absolute; left:369px; top:287px; width:50px; height:27px; z-index:1; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>"
document.write(str);
str="<div id='Layer7' style='position:absolute; left:42px; top:100px; width:558px; height:30px; z-index:101'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>Expressau en potències de 10"+su+"<font color='#0000FF'>"+b+'  '+vector1[1]+"</font> en <font color='#0000FF'>"+unitat_incognita[1]+"</font></div>"
document.write(str);
//str="<div id='nouexercici' style='position:absolute; left:450px; top:375px; width:125px; height:25px; z-index:103; visibility: hidden'><font  face='Verdana, Arial, Helvetica, sans-serif' size='2' color='594dc9'><b><a href='javascript:parent.location.reload()'>"+ Nou exercici &gt; &gt;+" </a></b></font></div>"
//document.write(str);
}
function comptadorencerts(){
	contadoru++
	document.form4.textfield1.value=contadoru;
	if (contadoru==7){
		//estat=0;
		if (contadorp<=2) alert("Molt bé!!");
		else{alert("Has acabat,però tens molts d'errors.\n\n Pensa un poc més abans de clicar!!");
		}
		document.all['nouexercici'].style.visibility='visible';
		}
}
function comptadorerrors(){
	contadorp++
	document.form5.textfield2.value=contadorp;
	if (contadorp>=7)
	{
		alert("Tens massa errors, torna a començar ");
		document.location.reload();
	}
}
function crearcanvis2(){	
var a,b,c,unitat_incognita,val_incognita,ordre1,m,d
 b=Math.round(Math.random()*199);
 if (b<10) c=b;
 if (b==0) b=1;
 if (b>=10) c=b/10;
 if (b>=100) c=b/100;
 xd=40
a=Math.round(Math.random()*1);
	switch(a)
	{
		case 0:
			n=2;t=6;m=36;m1=6;m2=m1+1;m3=m2+9;m4=m3+1;m5=m4+9;m6=m5+1;m7=m6+10
			su=" una superfície de ";
 			vector=new Array("km<sup>2</sup>","hm<sup>2</sup>","dam<sup>2</sup>","m<sup>2</sup>","dm<sup>2</sup>","cm<sup>2</sup>","mm<sup>2</sup>","10<sup>14</sup>","10<sup>13</sup>","10<sup>12</sup>","10<sup>11</sup>","10<sup>10</sup>","10<sup>9</sup>","10<sup>8</sup>","10<sup>7</sup>","10<sup>6</sup>","10<sup>5</sup>","10<sup>4</sup>","10<sup>3</sup>","10<sup>2</sup>","10","1","10<sup>-1</sup>","10<sup>-2</sup>","10<sup>-3</sup>","10<sup>-4</sup>","10<sup>-5</sup>","10<sup>-6</sup>","10<sup>-7</sup>","10<sup>-8</sup>","10<sup>-9</sup>","10<sup>-10</sup>","10<sup>-11</sup>","10<sup>-12</sup>","10<sup>-13</sup>",			"10<sup>-14</sup>",c);
			break;
		case 1:
			t=3;n=3;m=33;m1=3;m2=m1+1;m3=m2+9;m4=m3+1;m5=m4+9;m6=m5+1;m7=m6+10;
			su=" un volum de "
			vector=new Array("m<sup>3</sup>","dm<sup>3</sup>","cm<sup>3</sup>","mm<sup>3</sup>","10<sup>14</sup>","10<sup>13</sup>","10<sup>12</sup>","10<sup>11</sup>","10<sup>10</sup>","10<sup>9</sup>","10<sup>8</sup>","10<sup>7</sup>","10<sup>6</sup>","10<sup>5</sup>","10<sup>4</sup>","10<sup>3</sup>","10<sup>2</sup>","10","1","10<sup>-1</sup>","10<sup>-2</sup>","10<sup>-3</sup>","10<sup>-4</sup>","10<sup>-5</sup>","10<sup>-6</sup>","10<sup>-7</sup>","10<sup>-8</sup>","10<sup>-9</sup>","10<sup>-10</sup>","10<sup>-11</sup>","10<sup>-12</sup>","10<sup>-13</sup>","10<sup>-14</sup>",c)
			break;			
	}
 for (var j=0;j<=m;j++)
{
      if (j>=0 && j<=m1)
		{
		xdd=xd+52*j
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd+"px; top:155px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'><div class=ma>"+vector[j]+"</font></div></div>";
		document.write(str);
   		}

      if (j>=m2 && j<=m3)
       {
		xdd=xd+52*(j-m2)
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd+"px; top:184px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'><div class=ma>"+vector[j]+"</font></div></div>";
		document.write(str);
       }
       if (j>=m4 && j<=m5)
       {
		xdd1=xd+52*(j-m4)
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd1+"px; top:213px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'><div class=ma>"+vector[j]+"</font></div></div>";
		document.write(str);
       }
	   	if (j>=m6 && j<=m7)
       {
		xdd1=xd+52*(j-m6)
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd1+"px; top:242px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'><div class=ma>"+vector[j]+"</font></div></div>";
		document.write(str);
       }
	   if (j>=m7 && j<=m)
       {
		xdd1=xd+52*(j-m7)
		capaup="capau"+j
		str="<div id='"+capaup+"' style='position:absolute; left:"+xdd1+"px; top:271px; width:50px; height:27px; z-index:1; background-color: #FF9966; layer-background-color: #FF9966'   onClick='moureu(id)'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'><div class=ma>"+vector[j]+"</font></div></div>";
		document.write(str);
       }		

}

//triar el canvi d'unitat
 //unitat_incognita,val_incognita,ordre1,vector1,vector2
tex=""
capaes=""
d=0
unitat_0=""
unitat_1=""			
unitat_incognita=new Array(10)
val_incognita=new Array(2)
ordre1=new Array(2)
//vector1=new Array(9)
//vector2=new Array(9)


		   i=0
		   while (i<2)
	{
			d=Math.round(Math.random()*t);
		//Comprovar si l'element no està repetit
		vsercar=vector[d];
			vdarrer=2
			j=0;
			k=0;
			
			while (unitat_incognita[j]!=vsercar && j<vdarrer)
			{
			  j=j+1;
			}
			if (unitat_incognita[j]==vsercar)k=1;
			//unitat_incognita[i]=vector[d]
			////////
			if (i==0)
			{
			unitat_incognita[i]=vector[d]
			capaes="capau"+d
			eval("tex=document.getElementById('"+capaes+"').innerText")
			unitat_0=tex
			}
			if (i==1)
			{
			capaes="capau"+d
			eval("tex=document.getElementById('"+capaes+"').innerText")
			unitat_incognita[i]=vector[d]
			unitat_1=tex
			}
			//////////////////
			val_incognita[i]=i
			ordre1[i]=d
			
			i=i+1-k	
}
		//crear vector
		
			j=ordre1[1]-ordre1[0]
			
			m=-j
			 
			if ( b<100) {k=n*j+1};
			if ( b<10) {k=n*j};
			if (b>100) k=n*j+2;
			
			vector1[0]=b
			vector1[1]=unitat_incognita[0]
			vector1[2]=unitat_0
			vector1[3]=unitat_1
			vector1[4]="1"
			switch(n)
			{
			case 1:
				if (j==1){vector1[5]="10"}
				else{vector1[5]="10"+n*j};
				break;
			case 2:
				if (j==1){vector1[5]="102"}
				else{vector1[5]="10"+n*j};
				break;
			case 3:
				if (j==1){vector1[5]="103"}
				else{vector1[5]="10"+n*j};
				break;
			}
			vector1[6]=c
			if (k!=1)vector1[7]="10"+k;
			if (k==0)vector1[7]="1"; 
			if (k==1)vector1[7]="10";
			vector1[8]=unitat_1
			vector2[0]=b
			vector2[1]=unitat_incognita[0]
			vector2[2]=unitat_0
			vector2[3]=unitat_1
			switch(n)
			{
			case 1:
				if (m==1){vector2[4]="10"}
				else{vector2[4]="10"+n*m};
				break;
			case 2:
				if (m==1){vector2[4]="102"}
				else{vector2[4]="10"+n*m};
				break;
			case 3:
				if (m==1){vector2[4]="103"}
				else{vector2[4]="10"+n*m};
				break;
			}
			vector2[5]="1"
			vector2[6]=c
			if (k!=1)vector2[7]="10"+k;
			if (k==0)vector2[7]="1"; 
			if (k==1)vector2[7]="10";
			
			vector2[8]=unitat_1
///////////
// crearcapes per factors
//*********************
var capapitjada, capaeliminar
str="<div id='factor' style='position:absolute; left:40px; top:317px; width:44px; height:27px; z-index:2; visibility: visible'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>"+vector1[0]+"<sup>&nbsp;</sup> </font> </div>";
document.write(str);
str="<div id='factor1' style='position:absolute; left:88px; top:317px; width:45px; height:27px; z-index:2; visibility: visible'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>"+vector1[1]+"<sup>&nbsp;</sup> </font> </div>";
document.write(str);
str="<div id='Layer5' style='position:absolute; left:129px; top:317px; width:125px; height:27px; z-index:5; visibility: visible'><img src='puntratllaigual.gif' width='138' height='35'></div>";
document.write(str);
str="<div id='uniu3' style='position:absolute; left:139px; top:300px; width:50px; height:27px; z-index:9; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);
str="<div id='uniu1' style='position:absolute; left:194px; top:300px; width:50px; height:27px; z-index:8; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);
str="<div id='uniu2' style='position:absolute; left:140px; top:338px; width:50px; height:27px; z-index:7; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);
str="<div id='uniu0' style='position:absolute; left:194px; top:338px; width:50px; height:27px; z-index:6; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: visible'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>";
document.write(str);


var ss="Quines unitats has de simplificar ?"
var x="X"
str="<div id='missatge1' style='position:absolute; left:50px; top:270px; width:357px; height:27px; z-index:15; background-color: #594dc9; layer-background-color: #0000FF; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='4' color='#ffffff'>"+ss+"</font></div>"
document.write(str);
str="<div id='celiminar1' style='position:absolute; left:300px; top:270px; width:32px; height:27px; z-index:11; visibility: hidden '> <font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000 '>xxx</font></div>"
document.write(str);
str="<div id='celiminar2' style='position:absolute; left:300px; top:270px; width:32px; height:30px; z-index:12; visibility: hidden'> <font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>xxx</font> </div>"
document.write(str);
str="<div id='eliminar1' style='position:absolute; left:415px; top:270 px; width:35px; height:27px; z-index:100; background-color: #594dc9; layer-background-color: #0000FF; border: 1px none #000000; visibility: hidden'  onClick='principi22(id)'> <font face='Verdana, Arial, Helvetica, sans-serif' size='4' color='#ffffff'><div class=ma>"+unitat_incognita[0]+"</font></div></div>"
document.write(str);
str="<div id='eliminar2' style='position:absolute; left:470px; top:270px; width:35px; height:27px; z-index:14; background-color: #594dc9; layer-background-color: #0000FF; border: 1px none #000000; visibility: hidden' onClick='principi22(id)'> <font face='Verdana, Arial, Helvetica, sans-serif' size='4' color='#ffffff'><div class=ma>"+unitat_incognita[1]+"</font></div></div>"
document.write(str);
str="<div id='uniu4' style='position:absolute; left:265px; top:317px; width:35px; height:27px; z-index:4; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>"
document.write(str);
str="<div id='uniu5' style='position:absolute; left:307px; top:317px; width:6px; height:27px; z-index:3; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='4' color='#000000'><sup>&nbsp;</sup>&middot;</font></div>"
document.write(str);
str="<div id='uniu6' style='position:absolute; left:317px; top:317px; width:50px; height:27px; z-index:2; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>"
document.write(str);
str="<div id='uniu7' style='position:absolute; left:369px; top:317px; width:50px; height:27px; z-index:1; background-color: #FF6633; layer-background-color: #FF0000; border: 1px none #000000; visibility: hidden'><font face='Verdana, Arial, Helvetica, sans-serif' size='5' color='#000000'>?</font></div>"
document.write(str);
str="<div id='Layer7' style='position:absolute; left:42px; top:100px; width:558px; height:30px; z-index:101'><font face='Verdana, Arial, Helvetica, sans-serif' size='4'>Expressau en potències de 10"+su+"<font color='#0000FF'>"+b+'  '+vector1[1]+"</font> en <font color='#0000FF'>"+unitat_incognita[1]+"</font></div>"
document.write(str);
}