<!-- Begin
			function validate_register() {
			
			var theMessage = "Please complete the following: \n-----------------------------------\n";
			var noErrors = theMessage
			
			// make sure field is not blank
			if (document.form_register.paper_title.value=="") {
			theMessage = theMessage + "\n --> Title of your paper";
			}
			
			// make sure field is not blank
			if (document.form_register.name.value=="") {
			theMessage = theMessage + "\n --> Name of presenting author";
			}
		
			// validate an e-mail address
			if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.form_register.email.value)){
			theMessage = theMessage + "\n --> A valid e-mail address";
			}			
			
			// make sure field is not blank
			if (document.form_register.file.value=="") {
			theMessage = theMessage + "\n --> Your Paper";
			}
			
			// make sure field is not blank
			if (document.form_register.address.value=="") {
			theMessage = theMessage + "\n --> Your address";
			}
			
			// If no errors, submit the form
			if (theMessage == noErrors) {
			return true;
			
			} else {
			// If errors were found, show alert message
			alert(theMessage);
			return false;
			}
			}
			// End -->
			
			<!-- Begin
			function validate() {
			
			var theMessage = "Please complete the following: \n-----------------------------------\n";
			var noErrors = theMessage
			
			// make sure field is not blank
			if (document.forms.name.value=="") {
			theMessage = theMessage + "\n --> Your name";
			}
			// validate an e-mail address
			if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.forms.email.value)){
			theMessage = theMessage + "\n --> A valid e-mail address";
			}			
			// make sure field is not blank
			if (document.forms.comments.value=="") {
			theMessage = theMessage + "\n --> Comments";
			}
			// If no errors, submit the form
			if (theMessage == noErrors) {
			return true;
			
			} else {
			
			// If errors were found, show alert message
			alert(theMessage);
			return false;
			}
			}
			// End -->