//functions.js
	
	*/	
	//Function to create an XMLHttp Object.
	function getxmlhttp (){
		//Create a boolean variable to check for a valid microsoft active X instance.
		var xmlhttp = false;
		
		//Check if we are using internet explorer.
		try {
			//If the javascript version is greater than 5.
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			//If not, then use the older active x object.
			try {
				//If we are using internet explorer.
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (E) {
				//Else we must be using a non-internet explorer browser.
				xmlhttp = false;
			}
		}
		
		//If we are using a non-internet explorer browser, create a javascript instance of the object.
		if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
			xmlhttp = new XMLHttpRequest();
		}
		
		return xmlhttp;
	}
	
	//Function to process an XMLHttpRequest.
	function processajax (serverPage, obj, str, theform){
		
		//Run the validate script.
		if (validateform(theform)){
			xmlhttp = getxmlhttp();
			xmlhttp.open("POST", serverPage, true);
			xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
			xmlhttp.onreadystatechange = function() {
				if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
					document.getElementById(obj).value = xmlhttp.responseText;
					// sends to submit button
				}
			}
			xmlhttp.send(str);
		}
	}
	
	//Function to process an XMLHttpRequest.
	function loadajax (serverPage, obj){
		
		showLoadMsg ('Loading...');
		document.getElementById(obj).style.visibility = "visible";
		
		xmlhttp = getxmlhttp();
		xmlhttp.open("GET", serverPage, true);
		xmlhttp.onreadystatechange = function() {
			if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
				document.getElementById(obj).innerHTML = xmlhttp.responseText;
			}
		}
		xmlhttp.send(null);
		
	}
	
	//Function to output a loading message.
	function showLoadMsg (msg){
		hidden = document.getElementById('loadpanel');
		hidden.innerHTML = '<img src="indicator.gif" alt="" /> ' + msg;
	}
	
	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 the newloc form.
	function validateform (theform){
		
//		if (trim (theform.yourname.value) == ""){
//			alert ("Please enter your name.");
//			theform.yourname.focus();
//			return false;
//		}
		
		if (!validEmail (trim (theform.emailAddr.value))){
			alert ("Please enter a valid email address.");
			theform.emailAddr.focus();
			return false;
		}
		
		return true;
	}
	
	//Functions to submit a form.
	function getformvalues (fobj){
		
		var str = "";
				
		//Run through a list of all objects contained within the form.
		for(var i = 0; i < fobj.elements.length; i++){
			str += fobj.elements[i].name + "=" + escape(fobj.elements[i].value) + "&";
		}
		//Then return the string values.
		return str;
	}
	
	//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;
	}