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//
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function popUpWindow(url, prop){
	var iMyWidth;
	var iMyHeight;
	//gets top and left positions based on user's resolution so hint window is centered.
	iMyWidth = (window.screen.width/2) - (250 + 10) ; //half the screen width minus half the new window width (plus 5 pixel borders).
	iMyHeight = (window.screen.height/2)- (100 + 50); //half the screen height minus half the new window height (plus title and status bars).
    var wprop = prop + 'top=' + iMyHeight + ',left=' + iMyWidth
    window.open(url,'WindowTest',wprop);	
}