<!-- Begin
function checkAll(){
	var i = document.form1.number_fields.value;
	var x = 1;
	var def = 'box_';
	var tmp = '';
	if(document.getElementById('checkall').checked == 1){
		while(x<=i){
			tmp = (def + x);
			document.getElementById(tmp).checked = true;
			//alert(tmp);
			x++;
			tmp = '';
		}
	}else{
		while(x<=i){
			tmp = (def + x);
			document.getElementById(tmp).checked = false;
			//alert(tmp);
			x++;
			tmp = '';
		}
	}
}
//  End -->