function popUp(url, w, h) {
var OldString = "toolbars=0, scrollbars=0, location=0, statusbars=0, menubars=0, resizable=0, width=wr, height=hr left = 100, top = 100";
var NewString = OldString.replace("wr", w);
var arg = NewString.replace("hr", h);
props=window.open(url, (w*h), arg);
}