var minQtiesAdjusted = false;
	function validate(field,minQty, multiplier)
	{
	var mult = parseInt(multiplier);
		if (!isBlank(field.value))
		{
			if (isInteger(field.value))
			{
				if (field.value < minQty)
				{
					alert('value not valid, it s been replaced by the minimum quantity');
					field.value = minQty;
					field.focus();
					minQtiesAdjusted = true;
				}
				else if  ((field.value%mult)!=0)
				{
					alert('value not valid, it s been replaced according to the multiplier value');
					field.value =Math.ceil(field.value/multiplier)*multiplier;
					field.focus();
					minQtiesAdjusted = true;
				}
			}
			else 
			{
				
				alert('Please enter an integer');
				field.value = '';
				field.focus();
			}
		}
	}

//-------------------------------------------------------------------
// isBlank(value)
//   Returns true if value only contains spaces
//-------------------------------------------------------------------
function isBlank(val){
	if(val==null){return true;}
	for(var i=0;i<val.length;i++) {
		if ((val.charAt(i)!=' ')&&(val.charAt(i)!="\t")&&(val.charAt(i)!="\n")&&(val.charAt(i)!="\r")){return false;}
		}
	return true;
	}

//-------------------------------------------------------------------
// isInteger(value)
//   Returns true if value contains all digits
//-------------------------------------------------------------------
	function isInteger(val)
	{
		if (isBlank(val)){return false;}
		for(var i=0;i<val.length;i++)
			{
			if(!isDigit(val.charAt(i))){return false;}
			}
		return true;
	}
	
//-------------------------------------------------------------------
// isDigit(value)
//   Returns true if value is a 1-character digit
//-------------------------------------------------------------------
	function isDigit(num) {
	if (num.length>1){return false;}
	var string="1234567890";
	if (string.indexOf(num)!=-1){return true;}
	return false;
	}

	function SubmitValidation()
	{
		if (minQtiesAdjusted)
			confirm('some quantities were adjusted, re u sure');
		else
			confirm('re u sure');
	}
	
	function validateKey(e, sEvent)
	{
	var iKeyCode = 0;
	if (window.event) {iKeyCode = window.event.keyCode;}
	else if (e) {iKeyCode = e.which;}
	alert(iKeyCode.toString());
	}