// JavaScript Document
function validateform(){

if(document.linkForm.fname.value == ""){
		alert("Please fill Name");
		document.linkForm.fname.focus();
		document.linkForm.fname.select();
		return false;	
	}	
if(document.linkForm.link.value == ""){
		alert("Please fill Link Title");
		document.linkForm.link.focus();
		document.linkForm.link.select();
		return false;	
	}	
if(document.linkForm.url.value == ""){
		alert("Please fill URL");
		document.linkForm.url.focus();
		document.linkForm.url.select();
		return false;	
	}	
if(document.linkForm.email.value == ""){
		alert("Please fill Email");
		document.linkForm.email.focus();
		document.linkForm.email.select();
		return false;	
	}		
if(document.linkForm.email.value != "" ){	
				var EmailOk  = true
				var Temp     = document.linkForm.email.value
				var AtSym    = Temp.indexOf('@')
				var Period   = Temp.lastIndexOf('.')
				var Space    = Temp.indexOf(' ')
				var Length   = Temp.length - 1   // Array is from 0 to length-1

				if ((AtSym < 1) ||                     // '@' cannot be in first position
	    		(Period <= AtSym+1) ||             // Must be atleast one valid char btwn '@' and '.'
	    		(Period == Length ) ||             // Must be atleast one valid char after '.'
	    		(Space  != -1))                    // No empty spaces permitted
	   		{
	    		  EmailOk = false;
	    		  alert('Please enter a valid e-mail address.');
				  document.linkForm.email.focus();
				  document.linkForm.email.select();
				  if(EmailOk == false)
	    		  return EmailOk;
	   	}
	}	
		return true;
}