function closeSubWindow(){
	if(window['subWin']) subWin.close();
}
window.onfocus = closeSubWindow;

function PopUp(width,height,file,target){
	subWin = window.open(file ,target,"scrollbars=1,resizable=1,width=" + width + ",height=" + height + ",left=100,top=100");
	if(navigator.appName.charAt(0) == "N" && navigator.appVersion.charAt(0) >= 3){
		file.focus();
	}
}