function PopUp(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
    if (window.screen) {
  	if (isCenter) {
            var myLeft = (screen.width-myWidth)/2;
            var myTop = (screen.height-myHeight)/2;
            features += (features!='')?',':'';
            features += ',left='+myLeft+',top='+myTop;
  	}
    }
    window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}