/******************************
Client side validation functions
*******************************/

function CheckBlank(strFieldName,strFieldvalue)
{
var allvalid;
allvalid = true;
if(strFieldvalue.length == 0) 
	{
	alert("\"" + strFieldName + "\" field can not be left blank.");
	allvalid = false;
	}
return(allvalid);
}	
function CheckOnlyIntegers(strFieldName,strFieldvalue)
{
var checkok = "0123456789";
var allvalid = true;
for (i = 0; i < strFieldvalue.length; i++)
  {
   ch = strFieldvalue.charAt(i);
   for (j = 0; j < checkok.length; j++)
       if  (ch == checkok.charAt(j))
	      break;
	   if (j == checkok.length)
	    {
		    allvalid = false;
			break;
		}
	   
   }

      if (!allvalid)
	    {
		alert("Please enter only digits in the \"" + strFieldName + "\" field.");
		}
return(!allvalid);			
}