function isAlphaNumeric(e)
                 {     
                 var key;    	
                 key = e.which ? e.which : e.keyCode;
                 if((key>=48 && key<=57) || (key>=65 && key<=91) || (key >=97 &&  key<=123)||(key==13)||(key==32))
                   {    
                   e.returnValue= true;
                   }
                   else
                  {
                 	
                  e.returnValue = false;	
                  }
                }
        
        	
                function allownumbers(e)
                {
                    var key = window.event ? e.keyCode : e.which;
                    var keychar = String.fromCharCode(key);
                    var reg = new RegExp("[0-9]")
                    if (key == 8)
                    {
                     keychar = String.fromCharCode(key);
                    }
                    if (key == 13)
                    {
                     key=8;
                     keychar = String.fromCharCode(key);     
                    }
                    return reg.test(keychar);
                } 
               
               
                 function Checkempty()
	             {
	                  if (isEmpty(document.getElementById('ctl00$cphsharmaTransports$txtTransactionID'), "Please enter transaction id.", document.getElementById('ctl00_cphsharmaTransports_spnerrormsg')))
                      {
                        if (isEmpty(document.getElementById('ctl00$cphsharmaTransports$txtMobileno'), "Please enter mobile no.", document.getElementById('ctl00_cphsharmaTransports_spnerrormsg')))
                        {                  
                         return true;
                        
	                    }	            
                        
	                  }	
	               return false;
	             } 
	            
	             function isEmpty(elemID, Msg, DisplayID)
	            {		
	                if (trim(elemID.value).length==0)
		                {
			                DisplayID.innerText = Msg;
			                elemID.focus();
			                return false;
		                }
		            else
		                {
			                DisplayID.innerText="";
			                return true;
		                }
	            }
	          function trim(stringToTrim) 
	          {
		            return stringToTrim.replace(/^\s+|\s+$/g,"");
	          }