function checkUncheckSome(controller,theElements) {
	//Programmed by Shawn Olson
	//Copyright (c) 2006
	//Permission to use this function provided that it always includes this credit text
	//  http://www.shawnolson.net
	//Find more JavaScripts at http://www.shawnolson.net/topics/Javascript/
	
	
	//theElements is an array of objects designated as a comma separated list of their IDs
	//If an element in theElements is not a checkbox, then it is assumed
	//that the function is recursive for that object and will check/uncheck
	//all checkboxes contained in that element
	
	
     var formElements = theElements.split(',');
	 var theController = document.getElementById(controller);
	 for(var z=0; z<formElements.length; z++){
		theItem = document.getElementById(formElements[z]);
		if(theItem){
			if(theItem.type){
				if(theItem.type == 'checkbox' && theItem.id != theController.id){
					theItem.checked = theController.checked;
				}
			} else {
				var nextArray = '';
				for(var x=0; x<theItem.childNodes.length; x++){
					if(theItem.childNodes[x]){
						if (theItem.childNodes[x].nodeName == "DIV") {
							for(var a=0; a<theItem.childNodes[x].childNodes.length; a++) {
								if(theItem.childNodes[x].childNodes[a].type == 'checkbox' && theItem.id != theController.id){
									theItem.childNodes[x].childNodes[a].checked = theController.checked;
								}
							}
						}
						if (theItem.childNodes[x].id){
							nextArray += theItem.childNodes[x].id+',';
						}
					}
				}
				checkUncheckSome(controller,nextArray);
			}
		}
	}
}