function IsNumeric(obj) 
{
	var s = new String(obj);
	var blnNum = true;
	var str = "0123456789.,";
	var i,j;

	for (i=0;i<s.length;i++)
		if(str.indexOf(s.charAt(i))== -1)
			blnNum = false;
	return(blnNum);		
}

function validateEmail(strEmail)
{
	if (strEmail.indexOf("@") == -1 || strEmail.indexOf(".") == -1 || strEmail.lastIndexOf(".") < strEmail.indexOf("@"))
		return false
	else
		return true
}

function trim(strValue)
{
	while(strValue.indexOf(" ") == 0)
		strValue = strValue.substring(1, strValue.length)
	if(strValue != "")
		while(strValue.lastIndexOf(" ") == strValue.length-1)
			strValue = strValue.substring(0, strValue.length-1)
	return strValue
}

function CheckLength(obj,sMaxLength)
{
	var strVal,iLength;
	strVal = new String(obj);
	iLength = strVal.length;
	if(parseInt(sMaxLength) <= parseInt(iLength)){
		return false;
	}
	return true;
	
}
function CheckMaxLength(obj,sMaxLength)
{
	var strVal,iLength;
	strVal = new String(obj);
	iLength = strVal.length;
	if(parseInt(sMaxLength) > parseInt(iLength)){
		return false;
	}
	return true;
	
}