function UrlEncode(str){	
	j=str.length;
	var w = "";
	for ( var i=0 ; i < j ; i++ ) {
		var ch = str.substring(i, i + 1);
		switch (ch)
		{
			case " ":
				 w+= "+";		
				 break;
			case "/":
				 w+="%2F";
				 break;
			case "_":
				 w+="%5F";
				 break;
			case "-":
				w+="%2D";
				 break;
			case ":":
				w+="%3A";
				 break;
			case ".":
				w+="%2E";
				 break;
			default:
				w+=ch;
		}
	}
	return w
} 



function AbreVentana(xwidth,xheight,xstatus,xurl) {
	var argumentos= "toolbar=no,scrollbars=yes,resizable=no,height=" + xheight + ",width=" + xwidth + ",status=" + xstatus;
	remote=window.open(xurl,'NewWindow',argumentos);
	if (remote != null) {
		if (remote.opener == null)
		{ remote.opener = self;}
	}
 }
var xurl=document.URL
xurl=UrlEncode(xurl);

document.writeln("<a href=\"JavaScript:AbreVentana(505,430,'Envíe esta página','pop_window.cfm?lang=s&url_recommended=" + xurl + "')\">");

document.write("Recomienda \n esta pagina");
document.write("</a>");