var homeoff = new Image(12, 12);
homeoff.src="http://www.lpin.net/images/home1.gif";
var homeon = new Image(12, 12);
homeon.src="http://www.lpin.net/images/home2.gif";
var mailoff = new Image(16, 12);
mailoff.src="http://www.lpin.net/images/mail1.gif";
var mailon = new Image(16, 12);
mailon.src="http://www.lpin.net/images/mail2.gif";

function filter(imagename,objectsrc){
if (document.images)
document.images[imagename].src=eval(objectsrc+".src")
}

var tgs = new Array( 'td','th','p');
var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );
var startSz = 2;

function ts( trgt,inc ) {
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;
	sz += inc;
	if ( sz < 0 ) sz = 0;
	if ( sz > 6 ) sz = 6;
	startSz = sz;
	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];
	cEl.style.fontSize = szs[ sz ];
	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
	}
}

function chequearForm() {
	var i=0
	while (i<document.forms[0].elements.length) {
		if (document.forms[0].elements[i].value=='') {
			alert('Todos los campos son obligatorios.\nPor favor ingrese el campo:\n\n\t'+document.forms[0].elements[i].name +'\n\ne inténtelo nuevamente.\n\nLP Informática');
			document.forms[0].elements[i].focus();
			return false
		}
		i ++
	}
}

function ampliarFoto(img){
  foto1= new Image();
  foto1.src=(img);
  Controlla(img);
}
function Controlla(img){
  if((foto1.width!=0)&&(foto1.height!=0)){
    viewFoto(img);
  }
  else{
    funzione="Controlla('"+img+"')";
    intervallo=setTimeout(funzione,0);
  }
}
function viewFoto(img){
  largh=foto1.width;
  altez=foto1.height;
  stringa="width="+largh+",height="+altez+",top=0,left=0";
  finestra=window.open("","",stringa);
finestra.document.open()
finestra.document.write('<title>Visor de imágenes</title><body style=\"margin:0\" onclick=\"self.close()\"><img src="'+img+'"></body>')
finestra.document.close()
}

function mostrar(que) {
	var venObj = document.getElementById("ventajas").style;
	var detObj = document.getElementById("detalle").style;
	if (que=="detalle") {
		detObj.display='block';
		venObj.display='none';
	} else {
		detObj.display='none';
		venObj.display='block';
		window.scroll(0, 0);
	}
}

function modificarFuente() {
	document.write('<a href="javascript:ts(\'contenido\', -1)" title="Disminuir tamaño del texto" style="font: bold 8pt/30px Arial, Helvetica, sans-serif">-A</a><a href="javascript:ts(\'contenido\', 1)" title="Aumentar tamaño del texto" style="font: bold 12pt/30px Arial, Helvetica, sans-serif">+A</a>');
}
