// Código separado
var IE4 = (document.all)?1:0;
var Nav4 = (document.layers)?1:0;

if (window.document.captureEvents!=null)
	window.document.captureEvents(Event.KEYPRESS)
window.document.onkeypress = checkReturn;

function checkReturn(e)
{
	keyPressed = "";
	if (Nav4)
		keyPressed = String.fromCharCode(e.which);
	else if (IE4)
		keyPressed = String.fromCharCode(window.event.keyCode);
	if (keyPressed=="\r" || keyPressed=="\n") {
		jsubmit();
		return false;
	}
}

function jsort()
{
	var sol1;
	var sol2;
	
	if (document.formulario1.sort1.checked)
		sol1=document.formulario1.sort1.value;
	else
		sol1="";
	if (document.formulario1.sort2.checked)
		sol2=document.formulario1.sort2.value;
	else
		sol2="";

	if ((sol1!="")&&(sol2!=""))
		sol1=sol1 + "," + sol2;
	else
		if (sol1=="")
			sol1=sol2;

	document.formulario1.SORTAUX.value=sol1;
	document.formulario1.SORT.value=document.formulario1.SORTAUX.value;
	document.formulario1.SORTAUX.value="";
	document.formulario1.sort1.value="";
	document.formulario1.sort2.value="";
}

function jsubmit()
{
	jsort();
	//parent.frames[0].document.forms[0].BUSQ.value="-1";
	document.formulario1.BUSQ.value="-1"
	document.formulario1.submit();
}

function jreset()
{
	document.formulario1.reset();
}

function init()
{
	document.formulario1.DPTI.focus();
}

function Materias(theURL,winName,features)
{
	var win;
	win= window.open(theURL,winName,features);
	win.moveTo(0,0);
	win.resizeTo(screen.width,screen.height);
}