/*VER NO VER CAPES TRACTAMENT D'AIGUES SERVEIS*/
var cod=1;
var codi=1;
function start_tr1(){
if(cod==1){
return ver_tr1();
}
else{
nover_tr1();
}
}
function start_tr2(){
if(codi==1){
return ver_tr2();
}
else{
nover_tr2();
}
}

function ver_tr1(){
if(document.all){document.all["tr1"].style.visibility="visible";
				 document.all["tr2"].style.visibility="hidden";}
				 
if(document.layers){document.tr1.visibility="show";
					document.tr2.visibility="hide";}
					
if(document.getElementById){document.getElementById('tr1').style.visibility="visible";
							document.getElementById('tr2').style.visibility="hidden";}

cod=2;

}

function ver_tr2(){
if(document.all){document.all["tr2"].style.visibility="visible";
				 document.all["tr1"].style.visibility="hidden";}
				 
if(document.layers){document.tr2.visibility="show";
					document.tr1.visibility="hide";}
					
if(document.getElementById){document.getElementById('tr2').style.visibility="visible";
							document.getElementById('tr1').style.visibility="hidden";}
codi=2;
					
}

function nover_tr1(){
if(document.all){document.all["tr1"].style.visibility="hidden";}
				 
if(document.layers){document.tr1.visibility="hide";}
					
if(document.getElementById){document.getElementById('tr1').style.visibility="hidden";}
cod=1;

}

function nover_tr2(){
if(document.all){document.all["tr2"].style.visibility="hidden";}
				 
if(document.layers){document.tr2.visibility="hide";}
					
if(document.getElementById){document.getElementById('tr2').style.visibility="hidden";}
codi=1;

}

function vis(vis,novis1,novis2)
{
	document.getElementById(vis).style.visibility="visible";	
	document.getElementById(novis1).style.visibility="hidden";	
	document.getElementById(novis2).style.visibility="hidden";	
}

function dades()
{
/*comprova que el user no es buit*/
	if(document.registre.user.value=='')
	{
		alert("Camp obligatori");
		document.dades_user.user.focus();
		return false;
	}
	/*comproba que passw no es buida*/
	else if(document.registre.passw.value=='')
	{
		alert("Camp obligatori");
		document.registre.passw.focus();
		return false;
	}
	else if(document.registre.passw2.value=='')
	{
		alert("Camp obligatori");
		document.registre.passw2.focus();
		return false;
	}
	else
	{
		document.registre.action="confirm.php";
	}
}
function dadesES(){
	/*comprova que el user no es buit*/
	if(document.registre.user.value=='')
	{
		alert("Campo obligatorio");
		document.registre.user.focus();
		return false;
	}
	/*comproba que passw no es buida*/
	else if(document.registre.passw.value=='')
	{
		alert("Campo obligatorio");
		document.registre.passw.focus();
		return false;
	}
	else if(document.registre.passw2.value=='')
	{
		alert("Campo obligatorio");
		document.registre.passw2.focus();
		return false;
	}
	else
	{
		document.registre.action="confirm.php";
	}
}