// JavaScript Document
function IsNumeric(sText)

{
var ValidChars = "0123456789.+-()";
var IsNumber=true;

var Char;


	for (i = 0; i < sText.length && IsNumber == true; i++) 
	{ 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) 
			{
			IsNumber = false;
			}
	}
	return IsNumber;

}


function check_numeric(sText,field_name)

{
	var qty;
	qty=sText.value;
	//alert("asdfsadf");
	//alert(qty);
   var ValidChars = "0123456789. ";
   var IsNumber=true;
   var Char;


		if(qty=="")
		IsNumber = true;
		
		else
	
		{
	 
				   for (i = 0; i < qty.length && IsNumber == true; i++) 
					{ 
					  Char = qty.charAt(i); 
					  if (ValidChars.indexOf(Char) == -1) 
							 {
							 IsNumber = false;
							 }
					  }
		}

				   if(!IsNumber)
				   {
				   //alert("".toUpperCase())
				   alert("Please type valid numberic value. \n Bitte geben sie nur numerisch ein!");
				   sText.select();
				   sText.focus();
				   }
				
   
}

function blank()
{
alert("Your quantities filed was left blank");
}