esq = new Image(); esq2 = new Image(); esq3 = new Image(); esqesq = new Image(); esqesq2 = new Image(); esqesq3 = new Image(); 
drt = new Image(); drt2 = new Image(); drt3 = new Image(); drtdrt = new Image(); drtdrt2 = new Image(); drtdrt3 = new Image(); 
esq.src = "esq.gif"; esq2.src = "esq2.gif"; esq3.src = "esq3.gif"; esqesq.src = "esqesq.gif"; esqesq2.src = "esqesq2.gif"; esqesq3.src = "esqesq3.gif";
drt.src = "drt.gif"; drt2.src = "drt2.gif"; drt3.src = "drt3.gif"; drtdrt.src = "drtdrt.gif"; drtdrt2.src = "drtdrt2.gif"; drtdrt3.src = "drtdrt3.gif";

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function checkrb() {
    if (document.formulari.per[0].checked == true) {   document.getElementById("titolcerca").innerHTML='Cercar per títol';   } 
    if (document.formulari.per[1].checked == true) {   document.getElementById("titolcerca").innerHTML='Cercar per autor';    }
    if (document.formulari.per[2].checked == true) {   document.getElementById("titolcerca").innerHTML='Cercar per canal';   } 
    if (document.formulari.per[3].checked == true) {   document.getElementById("titolcerca").innerHTML='Cercar per email';   } 
    if (document.formulari.per[4].checked == true) {   document.getElementById("titolcerca").innerHTML='Cercar per descriptors';   } 
}

function change() {
	if (document.formulari.per[0].checked == true) {  
		document.formulari.ides_select.options.length=titols.length+1;
		document.formulari.ides_select.options[0] = new Option("","");
		for (i=1;i<=titols.length;i++) { 
			document.formulari.ides_select.options[i] = new Option(titols[i-1][0],titols[i-1][1]); 
		    if (i==selind) { document.formulari.ides_select.selectedIndex=i; ides="anythingquansevolcosat"; }
		}
	 } 
	if (document.formulari.per[1].checked == true) {   
		document.formulari.ides_select.options.length=signatures.length+1;
		document.formulari.ides_select.options[0] = new Option("","");
		for (i=1;i<=signatures.length;i++) { 
			document.formulari.ides_select.options[i] = new Option(signatures[i-1][0],signatures[i-1][1]);
			if (i==selind) { document.formulari.ides_select.selectedIndex=i; ides="anythingquansevolcosat"; }
		}
	}
	if (document.formulari.per[2].checked == true) {  
		document.formulari.ides_select.options.length=llocs.length+1;
		document.formulari.ides_select.options[0] = new Option("","");
		for (i=1;i<=llocs.length;i++) { 
			document.formulari.ides_select.options[i] = new Option(llocs[i-1][0],llocs[i-1][1]); 
			if (i==selind) { document.formulari.ides_select.selectedIndex=i; ides="anythingquansevolcosat"; }
		}
	} 
    if (document.formulari.per[3].checked == true) {  
		document.formulari.ides_select.options.length=emails.length+1;
		document.formulari.ides_select.options[0] = new Option("","");
		for (i=1;i<=emails.length;i++) { 
			document.formulari.ides_select.options[i] = new Option(emails[i-1][0],emails[i-1][1]); 
			if (i==selind) { document.formulari.ides_select.selectedIndex=i; ides="anythingquansevolcosat"; }
		}
	} 
	if (document.formulari.per[4].checked == true) {  
		document.formulari.ides_select.options.length=descriptors.length+1;
		document.formulari.ides_select.options[0] = new Option("","");
		for (i=1;i<=descriptors.length;i++) {
			document.formulari.ides_select.options[i] = new Option(descriptors[i-1][0],descriptors[i-1][1]); 
			if (i==selind) { document.formulari.ides_select.selectedIndex=i; ides="anythingquansevolcosat"; }
		}
	} 
	checkrb();
}

function submform(accio,pagina,antaccio) {
	document.formulari.p.value=pagina;
	switch(accio) {
		case "insertar":
			document.formulari.todo.value=accio;
			document.formulari.accio.value=antaccio;
			document.formulari.submit();
		break;
		case "cercar":
			if (document.formulari.ides_select.selectedIndex!=0) {
				document.formulari.selind.value = document.formulari.ides_select.selectedIndex;
				document.formulari.ides.value = document.formulari.ides_select.options[document.formulari.selind.value].value;
				document.formulari.accio.value=accio;
				document.formulari.submit();
			} else { 
				alert("No s'ha sel·leccionat cap criteri de recerca.");
			}
		break;
		case "res":
			document.formulari.accio.value=accio;
			document.formulari.submit();
		break;
		case "actualitzar":
			document.formulari.todo.value=accio;
			document.formulari.accio.value=antaccio;
			document.formulari.submit();
		default:
		break;
	}
}

function obreajuda() {
		ajuda = window.open('ajuda.html','ajuda','left=400,top=400,width=220,height=250,status=0,status=no,toolbar=0,resizable=0');
		ajuda.focus();
	}