// opens  a new window in the center of the screen


// opens  a new window in the center of the screen
// do remember to set the width and hight of the new window
function popupPage( strURL,w,h){ // ,screenW = 320,screenH = 400 ) {
	screenH = (!h) ? 400 : h;
	screenW = (!w) ? 320 : w;
	var screenwidth = screen.width;
	var screenheight = screen.height;
	var	leftpos = (screenwidth - screenW)/2;
	var	toppos = (screenheight - screenH)/2;
	var WindowName = ""; //enter Window Name here
	
	//alert(isDlg)
	winStats='toolbar=no,location=no,directories=no,menubar=no,scrollbars=yes,resizable=no';
	if (navigator.appName.indexOf("Microsoft")>=0) {
		winStats+=',left='+leftpos+',top='+toppos+',width='+screenW+',height='+screenH+'';
	}else{
		winStats+=',screenX='+leftpos+',screenY='+toppos+',width='+screenW+',height='+screenH+'';
	}
	NewWindow=window.open(strURL,WindowName,winStats)     ;
	NewWindow.focus()	;
}