//MARCACION OVERLAYS CERTIFICA

var idSitio = 0;
var path = '';
var f_apreta = function apreta(e){
	if (window.event)
		{eType = event.type;
		eSrc = event.srcElement;
		while (eSrc.tagName != "a" && eSrc.tagName != "A")
			{eSrc = eSrc.parentNode;}
		}
	else
		{eType = e.type;
		eSrc = e.target;
		while (eSrc.nodeName != "a" && eSrc.nodeName != "A")
			{eSrc = eSrc.parentNode;}
		}

	links = document.getElementsByTagName("a");
	for (i=0; i<links.length-1; i++){
		if (links[i] == eSrc)
			{var idLink = i;
			break;}
	}

   cc = Math.round(Math.random()*1000000);
   (new Image).src='http://hits.e.cl/cert/hit.dll?proc_id=ovl&s=' + idSitio + '&l=' + idLink + '&pag_id=' + path + '&z='+cc;
}

function instalaHdlr(s, p){
	idSitio = s;
	path = p;
	links = document.links;
	for (i=0; i<links.length; i++)
		{links[i].onmousedown=f_apreta;}
}