jQuery(document).ready(function(){
		jQuery(".niceCheck").mousedown(
		function() {
			 changeCheck(jQuery(this));
		});
		jQuery(".niceCheck").each(
		function() {
			 changeCheckStart(jQuery(this));
		});});
		function changeCheck(el)
		{
			 var el = el,
				  input = el.find("input").eq(0);
			 if(!input.attr("checked")) {
				el.css("background-position","0 -13px");	
				input.attr("checked", true)
			} else {
				el.css("background-position","0 0");	
				input.attr("checked", false)
			}
			 return true;
		}
		function changeCheckStart(el)
		{
		var el = el,
				input = el.find("input").eq(0);
			  if(input.attr("checked")) {
				el.css("background-position","0 -17px");	
				}
			 return true;
		}