function validateForm(addForm){
		if (trim(addForm.name.value) == ""){
			alert ("Please enter your name.");
			addForm.name.focus();
			return false;
		}
		if (!validEmail(addForm.email.value)){
			alert ("Please enter a valid email address.");
			addForm.email.focus();
			return false;
		}
		if (trim (addForm.comments.value) == ""){
			alert ("Please enter some comments.");
			addForm.comments.focus();
			return false;
		}
							
		return true;
	}
	
	function checksomething(thevalue,thetextbox){
		if (thevalue == "type message"){
			thetextbox.value = "";
		}
	}

	function trim(inputString) {
		   // Removes leading and trailing spaces from the passed string. Also removes
		   // consecutive spaces and replaces it with one space. If something besides
		   // a string is passed in (null, custom object, etc.) then return the input.
		   if (typeof inputString != "string") { return inputString; }
		   var retValue = inputString;
		   var ch = retValue.substring(0, 1);
		   while (ch == " ") { // Check for spaces at the beginning of the string
		      retValue = retValue.substring(1, retValue.length);
		      ch = retValue.substring(0, 1);
		   }
		   ch = retValue.substring(retValue.length-1, retValue.length);
		   while (ch == " ") { // Check for spaces at the end of the string
		      retValue = retValue.substring(0, retValue.length-1);
		      ch = retValue.substring(retValue.length-1, retValue.length);
		   }
		   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
		      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
		   }
		   return retValue; // Return the trimmed string back to the user
	} // Ends the "trim" function
	
	//Function to validate email addresses
	function validEmail(email){
		invalidChars = " /:,;";
		
		if (email == ""){
			return false;
		}
		
		for (i=0; i<invalidChars.length; i++){
			badChar = invalidChars.charAt(i);
			if (email.indexOf(badChar,0) > -1){
				return false;
			}
		}
		atPos = email.indexOf("@",1);
		if (atPos == -1){
			return false;
		}
		if (email.indexOf("@",atPos+1) > -1){
			return false;
		}
		periodPos = email.indexOf(".",atPos);
		if (periodPos+3 > email.length){
			return false;
		}
		return true;
	}