//******************************************
//FUNCIÓN POPUP
function popup(target, name, features){
window.open(target, name, features); 
}
//  Se Usa
//  <a href="archivo.html" onclick="popUp(this.href, 'Popup1', 'width=100,height=200'); return false;">Abrir popup</a>

//******************************************
// FUNCIÓN TARGET BLANK, para xhtml
function openExternal(){
if(!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName('a');
for(var i = 0; i < anchors.length; i++){        
var thisAnchor = anchors[i];        
if(thisAnchor.getAttribute('href') && thisAnchor.getAttribute('rel') == 'external'){
thisAnchor.target = '_blank';        
}    
}
}
window.onload = openExternal;
// Se usa
// <a href="http://www.google.cl" rel="external">Google</a>

	function getCookieVal (offset) {
    	var endstr = document.cookie.indexOf (";", offset);
    	if (endstr == -1)
    	endstr = document.cookie.length;
    	return unescape(document.cookie.substring(offset, endstr));
    }

	function GetCookie (name) {
    	var arg = name + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        while (i < clen) {
        	var j = i + alen;
            if (document.cookie.substring(i, j) == arg)
            	return getCookieVal (j);
            i = document.cookie.indexOf(" ", i) + 1;
        	if (i == 0) break;
        }
        return null;
    }

    function SetCookie (name, value) {
    	var argv = SetCookie.arguments;
    	var argc = SetCookie.arguments.length;
    	var expires = (argc > 2) ? argv[2] : null;
    	var path = (argc > 3) ? argv[3] : null;
    	var domain = (argc > 4) ? argv[4] : null;
    	var secure = (argc > 5) ? argv[5] : false;
    		document.cookie = name + "=" + escape (value) +
    		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
        	((path == null) ? "" : ("; path=" + path)) +
        	((domain == null) ? "" : ("; domain=" + domain)) +
        	((secure == true) ? "; secure" : "");
    }