function trim(str)
	{
	   return str.replace(/^\s+|\s+$/g,'');
	}
	function validate()
	{	
		var valid = new RegExp('[^A-Za-z]');

for (var i=0; i<document.linkform.firstname.value.length; i++) {
if (valid.test(document.linkform.firstname.value)) {
alert("Please enter your First Name \n (Alphabets characters only)");
document.linkform.firstname.focus();
return false;
}
}
          if(trim(document.linkform.firstname.value) == '' )
		{
			alert("Please enter your First Name \n (Alphabet characters only)");
			document.linkform.firstname.focus();
			return (false);
		}		
		else if(document.linkform.websiteurl.value == '')
		{
           alert("Please enter your valid website URL \n (eg. http://www.hytechpro.com) "); 
		   
		  document.linkform.websiteurl.focus();
		   return (false);
          }
		 else if( document.linkform.websiteurl.value !=null)
		 {	
			  var v = new RegExp();

				v.compile("^[A-Za-z]+://[A-Za-z0-9-_]+\\.[A-Za-z0-9-_%&\?\/.=]+$");
				if (!v.test(document.linkform.websiteurl.value)) {
				alert("Please enter your valid website URL \n (eg. http://www.hytechpro.com/)");
				document.linkform.websiteurl.focus();
				return false;
				} 
			/*var regexp =/(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
			if(	regexp.test(document.linkform.websiteurl.value)  == false)
			{
				alert("Please enter your valid website URL \n (eg. http://www.hytechpro.com/)");
				document.linkform.websiteurl.focus();
				return(false);
			}*/	
			else
			{
             if(document.linkform.reciprocalurl.value == '')
				{
					alert("Please enter valid Reciprocal URL \n (eg. http://www.hytechpro.com/resources/index.htm)");
					document.linkform.reciprocalurl.focus();
					return (false);
				}
				else if( document.linkform.reciprocalurl.value !=null)
				 {
				 var v = new RegExp();

				v.compile("^[A-Za-z]+://[A-Za-z0-9-_]+\\.[A-Za-z0-9-_%&\?\/.=]+$");
				if (!v.test(document.linkform.reciprocalurl.value)) {
				alert("Please enter your valid Reciprocal website URL \n (eg. http://www.hytechpro.com/)");
				document.linkform.reciprocalurl.focus();
				return false;
				} 
                /*var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
					if(	regexp.test(document.linkform.reciprocalurl.value)  == false)
					{
						alert("Please enter valid Reciprocal URL \n (eg. http://www.hytechpro.com/resources/index.htm) ");
						document.linkform.reciprocalurl.focus();
						return(false);
					}*/	
					else 
					{
						if(document.linkform.email.value == '')
						{
							alert("Please enter your valid e-Mail ID \n (eg. webmaster@hytechpro.com)");
							document.linkform.email.focus();
							 return (false);
						 }
						 else if(document.linkform.email.value != null)
						 {
						 var regexp = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i

						 if(regexp.test(document.linkform.email.value)  == false)
						{
							alert("Please enter your valid e-mail ID \n (eg. webmaster@hytechpro.com) ");
							document.linkform.email.focus();
							return(false);
						}
						else
						{
							if(trim(document.linkform.title.value) == '')
							{
								alert("Please enter the Title");
								document.linkform.title.focus();
								return (false);
							}
							
								else if(trim(document.linkform.description.value) == '' )
		                  {
			               alert("Please enter the description");
			             document.linkform.description.focus();
			               return (false);
						
							 }								
						}
					 }
						
					}
				 }

			}

 

 }
		  
	}