// JavaScript Document

function IsNumeric(sText)
{
   //alert(sText);
   var ValidChars = "0123456789" + " ";
   var IsNumber=true;
   var Char;

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

         } 
      }
	  		return IsNumber;
  
   }