function Trim(string)
{
	return string.replace(/\s*/g, "");
}
 
function LTrim(string)
{
	return string.replace(/(^\s*)/g, "");
}
 
function RTrim(string)
{
	return string.replace(/(\s*$)/g, "");
}


function checkForInt(elem, show_error) {
	try
	{
		var temp_t = elem.value;
		temp_t = temp_t.replace(/\s*/g, "");
		if (isNum(temp_t))
		{
			elem.value = temp_t;
			return 1;
		}
		else
		{
			if (show_error == 1)
			{
				alert('Supplied position: ' + text + ' is numeric');
			}
			return 0;
		}
	}
	catch(e)
	{
//		retrun 0;
	}
}

function isNum(string)

{
   var nums = "0123456789";
   var numeric=true;
   var char;

 
   for (var i = 0; numeric == true && i < string.length; ++i) 
   { 
      char = string.charAt(i); 
      if (nums.indexOf(char) == -1) 
      {
         numeric= false;
      }
   }
   return numeric;
}