function openWin(wUrl,wWidth,wHeight,wName){
	scWidthCenter=screen.availWidth / 2;
	scHeightCenter=screen.availHeight / 2;
	wOption=
"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=" + wWidth + ",height=" + wHeight + ",left=" + (scWidthCenter - (wWidth / 2)) + ",top=" + (scHeightCenter - (wHeight / 2));


	w=window.open(wUrl,wName,wOption);
	w.focus();
}