function checkall(name) {
	var arr = document.getElementsByName(name);
	var k = arr.length;
	for(var i=0; i<k; i++) {
		arr[i].checked = !arr[i].checked;
	}
}

function reloadcode(obj) {
    //document.images['randcode'].src= 'lib/randcode.php';
	var t = new Date().getTime();
	obj.src = 'lib/randcode.php?t='+t;
}

function checkvalue(obj, str) {
	if ($.trim(obj.val()) == '') {
		alert(str);
		obj.focus();
		return false;
	}
	return true;
}
function checknumber(obj) {
	var key = event.keyCode;
	if (key<48 || key>57) {
		event.returnValue = false;
	}
}

function copyclicpboard(s) {
	if (window.clipboardData) {
		window.clipboardData.clearData();
		window.clipboardData.setData("Text", s)

	};
}