function isEmpty(getvalue){
	
return ((getvalue==null) || (getvalue.length == 0)) 

}

expWhiteSpace = " \f\r\n\t\v\0[\b]"; // form-feed,carriage return,linefeed,horizontal tab,vertical tab,NUL character,backspace

//function NotEmpty(getvalue){
//	
//return ((getvalue!=null) || (getvalue.length!=0)) 
//
//}
//expWhiteSpace = " \f\r\n\t\v\0[\b]"; // form-feed,carriage return,linefeed,horizontal tab,vertical tab,NUL character,backspace
//

function isWhitespace(getvalue) //Checks for White spaces in the string 
{

	var i;

//   	if (isEmpty(getvalue)) return true;
	
	for(i=0;i<getvalue.length;i++)
	{
	var c =  getvalue.charAt(i);
	if(expWhiteSpace.indexOf(c) == -1) return false;
	}
return true;
}



function noWhitespace(getvalue)
{
	var i;

	for(i=0;i<getvalue.length;i++)
	{
	var c = getvalue.charAt(i);
	if(expWhiteSpace.indexOf(c) == 0) return true; 
	}	
return false;
}

var alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

function isString(getvalue)
{
	var i;
		
	for(i=0;i<getvalue.length;i++)
	{
	var c = getvalue.charAt(i);
	if(alpha.indexOf(c)== -1) return false;
	}
	
return true;
	
	
}


function checkmail(getvalue){
	
	alert(getvalue);
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (!filter.test(getvalue)){
					return false;
					}
	
	
	
}