function LTrim(Str) {
	return Str.replace(/^\s+/, '');
}
function RTrim(Str) {
	return Str.replace(/\s+$/, '');
}
function Trim(Str) {
	return RTrim(LTrim(Str));
}
function showAlert(e_name,msg){
	var eObj = document.getElementById(e_name + '_err');
	if(eObj){
		if(msg!=null){	
			eObj.innerHTML = msg + "<br>";
		}
		eObj.style.display = '';	
	}
}
function hideAlert(e_name){
	var eObj = document.getElementById(e_name + '_err');
	if(eObj){
		eObj.innerHTML = "<img src='images/yes.gif' align='absmiddle' border='0'>";
		eObj.style.display = '';	
	}
}
function DateToInt(date){
	return parseInt(Date.parse(date));
}
function inputDigit(e){
	if(!e) var e = event;
	return ((e.keyCode>47)&&(e.keyCode<58));
}

// graphics

function changebg(thisone){
	thisone.style.backgroundColor = '#FFFF66';
}
function changebgagain(thisone){
	thisone.style.backgroundColor = '#ffffff';
}