function open_window(aPage,aWidth,aHeight,aLeft,aTop) {		
	if (!aWidth)
		aWidth = 480;
	if (!aHeight)
		height = 350; 
	if (!aLeft)
		aLeft = 400;
	if (!aTop)
		aTop = 200; 
		
	OpenWin = window.open(aPage, "window", "toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no,width=" + aWidth + ",height=" + aHeight + ",left=" + aLeft + ",top=" + aTop + "");
}

function close_window(aReload) {
	if (!aReload) 
		self.opener.document.location = self.opener.document.location;
	window.close();	
}

function check_it(aForm,aCheckbox,aDBField) {			
	var lCheckbox = document.forms[aForm].elements[aCheckbox];		
	var lDBField =  document.forms[aForm].elements[aDBField];						
	if (lCheckbox.checked) {		
		lCheckbox.value = 1;
		lDBField.value = 1;
		
		
	} else {
		lCheckbox.value = 0;
		lDBField.value = 0;
		
	}
}