function AlphaNumericCheck(evt)
{
   
    var charCode = (evt.which) ? evt.which : event.keyCode
         if((charCode >= 48 && charCode <=57) || charCode==13 || charCode==32 || charCode==8  || (charCode >= 97 && charCode <=122) ||(charCode >= 65 && charCode <=90) )
         {
            return true;
         }
         else
         {
         if(evt.which)
            evt.returnValue=0;
         else
            event.keyCode=0;
            return false;
         }
      
}



function isNumberKey(evt)
{
       var charCode = (evt.which) ? evt.which : event.keyCode
         if((charCode >= 48 && charCode <=57) || charCode==8)
         {
            return true;
         }
         else
         {
         if(evt.which)
            evt.returnValue=0;
         else
            event.keyCode=0;
            return false;
         }
      
}
 function setCookie(cValue)
      {    
           name="rating";
           eraseCookie(name);
           expires="";
           document.cookie = name+"="+cValue+expires+"; path=/";
      }
       
       // this function will read  cookie value 
       function readCookie(name)
       {
	    var nameEQ = name + "=";
	    var ca = document.cookie.split(';');
	    for(var i=0;i < ca.length;i++) {
		    var c = ca[i];
		    while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	   }
	return "";
    }
    
    // this function will be erase cookie
    function eraseCookie(name)
    {
        document.cookie = name+"="+""+"; path=/";
	}
	
	
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;
   
   }

var message="Function Disabled!";

///////////////////////////////////
function clickIE4(){
if (event.button==2){
alert(message);
return false;
}
}

function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
if (e.which==2||e.which==3){
alert(message);
return false;
}
}
}

if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById){
document.onmousedown=clickIE4;
}

document.oncontextmenu=new Function("return false")