function PopUp(URL)
	{
		if (URL == "")
			var xMax = screen.width, yMax = screen.height;
		else
			var xMax = 600, yMax = 350;
		
	    var xOffset = (xMax - 80)/2, yOffset = (yMax - 80)/2;

		if (URL == "")
		{
			URL="http://www.ThorntonStudio.com/";
			window.open(URL, "Scheduling", "status=1,toolbar=1,scrollbars=1,location=1,statusbar=1,menubar=1,resizable=1,width=" + xMax + ",height=" + yMax + ",top=" + yOffset + ",left=" + xOffset);
		}
		else
		{
			window.open(URL, "StudentInfo", "status=1,toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=" + xMax + ",height=" + yMax + ",top=" + yOffset + ",left=" + xOffset);
		}
	}

	function ValidateDelete(studentId)
	{
		var deleteValue = confirm("Are you sure to delete this schedule?");
		if (deleteValue)
			window.location.href = "DeleteStudentSchedule1.asp?StudentId=" + studentId
		else
			window.close()
	}