function openCtrWindow(theURL,winName,features,winWidth,winHeight,isCenter) { 
	if(window.screen)if(isCenter)if(isCenter=="true"){
		var winLeft = (screen.width-winWidth)/2;
		var winTop = (screen.height-winHeight)/2;
		features+=(features!='')?',':'';
		features+=',left='+winLeft+',top='+winTop;
	}
	window.open(theURL,winName,features+((features!='')?',':'')+'width='+winWidth+',height='+winHeight);
	return void(0);
}