// checkbox 
		function logincheckboxCheck (el,bl) {
			if (document.getElementById(el).checked) {
				for (var i=1; i<=5; i++) {
					var checkbox_id = "checkbox" + i;
					var div_id = "div" + i;
					if (checkbox_id != el){
						//alert(checkbox_id);
						document.getElementById(div_id).className="checkboxOff";
						document.getElementById(checkbox_id).checked=false;
					}
				}
				document.getElementById(bl).className="checkboxOn";  
			}
			else {
				document.getElementById(el).checked=true; 
			}
		  }
	
	function logincheckboxCheck_single (el,bl) {
	if (document.getElementById(el).checked) {
		document.getElementById(bl).className="checkboxOn";  
	}
	else {
		 document.getElementById(bl).className="checkboxOff";  
	}
	}
	
	function logincheckboxCheck2 (el,bl) {
	if (document.getElementById(el).checked) {
		document.getElementById(bl).className="checkboxOn2";  
	}
	else {
		 document.getElementById(bl).className="checkboxOff2";  
	}
	}