var objBuilderImage = null;

function checkPosition(e) {
	if (objBuilderImage == null) {
		objBuilderImage = document.getElementById('imgBuilder');
	}
	
	
	if (window.ActiveXObject) {
		var intClickedX = window.event.offsetX;
		var intClickedY = window.event.offsetY;
	} else {
		var intX = objBuilderImage.offsetLeft; // offsetTop
		var intY = objBuilderImage.offsetTop;
	
		var objP = objBuilderImage.offsetParent;
		while (objP !== null) {
			intX += objP.offsetLeft;
			intY += objP.offsetTop;
			objP = objP.offsetParent;
		}
		var intClickedX = e.pageX - intX;
		var intClickedY = e.pageY - intY;
	}
	
	
	var objForm = document.getElementById('frmEntry');
	var intHiddenX = document.getElementById('intHiddenX');
	var intHiddenY = document.getElementById('intHiddenY');
	
	intHiddenX.value = intClickedX;
	intHiddenY.value = intClickedY;
	
	objForm.submit();
	
}