<!--
function checkAlpha(obj)
{
	var myString=obj.value;	
	var ValidateChar = /[a-zA-Z]/g;
	var ValidateDigits = /[0-9]/g;
	var ValidateSpChar = /[a-zA-Z0-9]/g;
	var charString = myString.replace(ValidateChar, "");
	var specialString = myString.replace(ValidateSpChar, "");
	var splen=specialString.length;
	if(charString > 1) 
   {
	   alert("Only alphabets are allowed");
	   obj.value="";	  
	   obj.focus;
	   return false;
   }
   if(splen > 0)
   {
   	   alert("Special characters not allowed!");
	   obj.value="";	  
	   obj.focus;
	   return false;
   }
   return;
}

function checkNumber(obj)
{
	var myString=obj.value;
	var Stringlen = myString.length;
    var ValidateDigits = /[^0-9]/g;
    var ValidateSpChar = /[a-zA-Z0-9]/g;
    var ValidateChar = /[^a-zA-Z]/g;
	var digitString = myString.replace(ValidateDigits , "");
    var specialString = myString.replace(ValidateSpChar, "");
    var charString = myString.replace(ValidateChar, "");
	var spLen=specialString.length;
	var charLen=charString.length;
	
	if (spLen > 0 || charLen > 0)
   {
   	   alert("Only digits are allowed!");
	   obj.value="";	   
	   obj.focus;
	   return false;
   }
   return;	
}

function checkEmail(obj)
{
	var myStr=obj.value;
	if (myStr == "")
	{
		window.alert("Please enter e-mail address.");
		obj.value="";	   
	    obj.focus;
		return false;
	}
	
	if (myStr.indexOf("@", 0) < 0)
	{
		window.alert("Please enter a valid e-mail address.");
		obj.value="";	   
	    obj.focus;
		return false;
	}
	
	if (myStr.indexOf(".", 0) < 0)
	{
		window.alert("Please enter a valid e-mail address.");
		obj.value="";	    
	    obj.focus;
		return false;
	}
}

function checkAlphaNum1(obj)
{
	var myString=obj.value;
	var Stringlen = myString.length;
    var ValidateDigits = /[^0-9]/g;
    var ValidateSpChar = /[a-zA-Z0-9]/;
    var ValidateChar = /[^a-zA-Z]/g;
	var digitString = myString.replace(ValidateDigits , "");
    var specialString = myString.replace(ValidateSpChar, "");
    var charString = myString.replace(ValidateChar, "");
	var splen=specialString.length;	
	if(splen > 0)
   {
   	   alert("Special characters not allowed!");	   
	   obj.focus;
	   return false;
   }
   return;
}

function checkAlphaNum(obj)
{
	var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";
	len=obj.value.length;		
	for (var i = 0; i < obj.value.length; i++) 
	{
		//alert(obj.value.charAt(i));
		if (iChars.indexOf(obj.value.charAt(i)) != -1) 
		{
			alert ("The box has special characters. \nThese are not allowed.\n");			
		    obj.focus;
			return false;
		}
	}
	return;
}

-->