// FUNCION QUE SIMULA EL getElementByClass
function getElementsByClass(searchClass,node,tag) {
 var classElements = new Array();
 if ( node == null )
 	node = document;
 if ( tag == null )
 	tag = '*';
 var els = node.getElementsByTagName(tag);
 var elsLen = els.length;
 var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
 for (i = 0, j = 0; i < elsLen; i++) {
 	if ( pattern.test(els[i].className) ) {
 		classElements[j] = els[i];
 		j++;
 	}
 }
 return classElements;
}

function abrePopup(url,hauteur,largeur,wint,winl,s,r){
	var winl = (screen.width - largeur) / 2;
	var wint = (screen.height - hauteur) / 2;
	date_t = new Date;
	time = date_t.getTime();
	winprops = 'height='+hauteur+',width='+largeur+',top='+wint+' ,left='+winl+',scrollbars='+s+',resizable='+r;
	win = window.open(url, time, winprops);
}