<!--
function check_empty(obj){
	if (obj.value.length > 0)
		return true; // returns false if empty
	else{
		obj.focus();
		obj.select();
		return false;
	}
}
function check_login(obj){
	if (obj.value.length < 2){
		obj.focus();
		obj.select();
		return false;
	}
	else
		return true;
}
function check_email(obj){
	if (obj.value.length < 5 || obj.value.indexOf('@') == -1 || obj.value.indexOf ('.') == -1){
		obj.focus();
		obj.select();
		return false;
	}
	else
		return true;
}
function check_url(obj){
	if (obj.value == "") // accepts empty
		return true
	else if (obj.value.indexOf('http://') == -1 || obj.value.indexOf('.') == -1){
		obj.focus();
		obj.select();
		return false;
	}
	else
		return true;
}
function check_password(obj){
	if (obj.value.length < 5){
		obj.focus();
		obj.select();
		return false;
	}
	else
		return true;
}
//The following functions are used with onKeyPress event (IE only)
function StringOnly(){
	if (!isNaN(String.fromCharCode(event.keyCode)) && event.keyCode != 32)
		event.returnValue=false
}
function NumberOnly(){	
	if (isNaN(String.fromCharCode(event.keyCode)) && event.keyCode!=8 || event.keyCode==32 || event.shiftKey)
		event.returnValue=false
}
function DecimalOnly(obj){
	if (isNaN(String.fromCharCode(event.keyCode)) && event.keyCode!=46 && event.keyCode!=8 || event.keyCode==32 || event.shiftKey)
		event.returnValue=false;

	else if (event.keyCode==46 && obj.value.indexOf('.')!=-1)
		event.returnValue=false;
}
//The following functions are used with onKeyUp event (Both)
function StringOnly2(obj){
	if (!isNaN(obj.value.charAt(obj.value.length-1)))
		obj.value = obj.value.substring(0, obj.value.length-1);
}
function NumberOnly2(obj){
	if (isNaN(obj.value))
		obj.value = obj.value.substring(0, obj.value.length-1);
}
//This function is used with onchange event
function ResetZeroIfEmptyString(obj){
	if (obj.value == '' || isNaN(obj.value))
		obj.value = 0;
}
function TextCounter(objText, maxlimit, objRemainingCounter){
	if (objText.value.length > maxlimit) 
		objText.value = objText.value.substring(0, maxlimit);
	objRemainingCounter.value = maxlimit - objText.value.length;
}
-->