if (document.layers) document.write("<style type='text/css'>\ninput{border:0px}\nselect{border:0px}\n</style>");



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_timelineStop(tmLnName) { //v1.2

  //Copyright 1997 Macromedia, Inc. All rights reserved.

  if (document.MM_Time == null) MM_initTimelines(); //if *very* 1st time

  if (tmLnName == null)  //stop all

    for (var i=0; i<document.MM_Time.length; i++) document.MM_Time[i].ID = null;

  else document.MM_Time[tmLnName].ID = null; //stop one

}



MM_reloadPage(true);



function MM_controlShockwave(objStr,x,cmdName,frameNum) { //v3.0

  var obj=MM_findObj(objStr);

  if (obj) eval('obj.'+cmdName+'('+((cmdName=='GotoFrame')?frameNum:'')+')');

}



function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}





function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}



function MM_jumpMenu(targ,selObj,restore){ //v3.0

  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");

  if (restore) selObj.selectedIndex=0;

}



function launchCenter(url, name, height, width) {

  var str = "height=" + height + ",innerHeight=" + height;

  str += ",width=" + width + ",innerWidth=" + width;

  if (window.screen) {

    var ah = screen.availHeight - 30;

    var aw = screen.availWidth - 10;



    var xc = (aw - width) / 2;

    var yc = (ah - height) / 2;



    str += ",left=" + xc + ",screenX=" + xc;

    str += ",top=" + yc + ",screenY=" + yc;

  }

  return window.open(url, name, str);

}



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 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_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)

   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}



function MM_openBrWindow(theURL,winName,features) { //v2.0

  window.open(theURL,winName,features);

}

var win = null;

function newWindow(mypage,myname,w,h,features) {

  var winl = (screen.width-w)/2;

  var wint = (screen.height-h)/2;

  if (winl < 0) winl = 0;

  if (wint < 0) wint = 0;

  var settings = 'height=' + h + ',';

  settings += 'width=' + w + ',';

  settings += 'top=' + wint + ',';

  settings += 'left=' + winl + ',';

  settings += features;

  win = window.open(mypage,myname,settings);

  win.window.focus();

}





function muestra_imagen(archivo,ancho,alto){

	//xInnerHtml('c1','')

	xWidth ('ampliacion',ancho + 1)

	xHeight ('ampliacion',alto + 1 + 20)

	xWidth ('c1',ancho)

	xHeight ('c1',alto)

	xWidth ('cerrarampliacion',ancho)

	

	

	xInnerHtml('c1','<img src="' + archivo + '" width="' + ancho + '" height="' + alto + '" id="imagen_popup" border="0">')	

	xShow('ampliacion');

}



function cerrar_ampliacion(){

	xHide('ampliacion');

	

}



window.onload = function(){



}







function muestra_imagen2(archivo,ancho,alto){

	//xInnerHtml('c1','')

	xWidth ('ampliacion2',ancho + 6)

	xHeight ('ampliacion2',alto + 6 + 20)

	xWidth ('c2',ancho)

	xHeight ('c2',alto)

	xWidth ('cerrarampliacion2',ancho)

	

	

	xInnerHtml('c2','<img src="' + archivo + '" width="' + ancho + '" height="' + alto + '" border="0">')	

	xShow('ampliacion2');

}



function cerrar_ampliacion2(){

	xHide('ampliacion2');

	

}



window.onload = function(){



}









function agregar(){

	if ((navigator.appName=="Microsoft Internet Explorer") && 

			(parseInt(navigator.appVersion)>=4)) {

		var url=document.location.href; 

		var titulo="PLEC";

		window.external.AddFavorite(url,titulo);

	} else { 

		if(navigator.appName == "Netscape") 

			alert ("Para añadir esta página a favoritos presione Ctrl+D"); 

	}

} 

function quitarfiltrosmaterias() {
	m=document.form1.m;
	//alert(m.length);
	for (i=0;i<m.length;i++) {
		m[i].checked=false;
	//	alert(m[i].checked);
	}
	document.form1.submit();
}