var box1;
var box2;
var box3;
function Close_Fenetre() {
	if (typeof(box1) !="undefined")
	box1.close();
	if (typeof(box2) !="undefined")
	box2.close();
	if (typeof(box3) =="object")
	box3.close();
	}
function YR_openBrWindow1(theURL,winName,features) { 
if(typeof(box1)=="undefined"||(box1.closed==true))  
	box1=window.open(theURL,winName,features);
else if ((typeof(box1)=="object")&&(typeof(box2)=="undefined"||(box2.closed=="true")))
	box2=window.open(theURL,winName,features);
else if ((typeof(box2)=="object")&&(typeof(box3)=="undefined"||(box3.closed=="true")))
	box3=window.open(theURL,winName,features);
else box1.location.replace(theURL);
}