/*	-------------------------------------------------------------*/
	function toggle(obj) {
		toggleClass(obj,'hidden')
	}
	function toggleMultiple(objShow,objHide) {
		showObject(objShow);
		hideObject(objHide);
	}
	function removeClass(obj,cssClass) {
		var object = document.getElementById(obj);
		var str = object.className;
		if(str.indexOf(cssClass)>-1)
			str = str.replace(cssClass,'');	
		object.className = str;
	}
	function hideObject(obj) {
		addClass(obj,'hidden')
	}
	function showObject(obj) {
		removeClass(obj,'hidden')
	}
	function addClass(obj,cssClass) {
		var object = document.getElementById(obj);
		var str = object.className;
		if(str.indexOf(cssClass)<0)
			str = str + " " + cssClass;
		object.className = str;
	}
/*	-------------------------------------------------------------*/