function popUp(URL,xy) {
day = new Date();
id = day.getTime();
var x=((screen.width/2)-300);
var y=((screen.height/2)-400);
eval("page" + id + " = window.open(URL, '" + id + "', '"+xy+",left = "+ x+",top ="+y+"');");
 
}


function popUp_myexp(URL,xy) {
day = new Date();
id = day.getTime();
var x=((screen.width/2)-170);
var y=((screen.height/2)-200);
eval("page" + id + " = window.open(URL, '" + id + "', '"+xy+",left = "+ x+",top ="+y+"');");
 
}