function linkURL(URL) {
	if (URL.options[URL.selectedIndex].value != "") self.location.href = URL.options[URL.selectedIndex].value;
	return true;
}

//function to open pop up window
function winOpener(theURL, winName, scrollbars, resizable, width, height) {

	winFeatures = 'left=' + (screen.availWidth-10-width)/2 + ',top=' + (screen.availHeight-30-height)/2 + ',scrollbars=' + scrollbars + ',resizable=' + resizable + ',width=' + width + ',height=' + height + ',toolbar=0,location=0,status=1,menubar=0'
  	window.open(theURL, winName, winFeatures);
}

//Show drop down
function showDropDown(parentEle, dropDownEle, dropDownWidth, offSetRight){

	parentElement = document.getElementById(parentEle);
	dropDownElement = document.getElementById(dropDownEle)

	//position
	dropDownElement.style.left = (getOffsetLeft(parentElement) - (offSetRight + 100)) + 'px';
	dropDownElement.style.top = (getOffsetTop(parentElement) + parentElement.offsetHeight + 3) + 'px';

	//width
	dropDownElement.style.width = dropDownWidth + 'px';

	//display
	hideDropDown();
	dropDownElement.style.visibility = 'visible';


	//Event Listener to hide drop down
	if(document.addEventListener){ // Mozilla, Netscape, Firefox
		document.addEventListener('mouseup', hideDropDown, false);
	} else { // IE
		document.onmouseup = hideDropDown;
	}
}

//Hide drop downs
function hideDropDown(){
	hide('div');
	hide('iframe');
	function hide(tag){
		var classElements = new Array();
		var els = document.getElementsByTagName(tag);
		var elsLen = els.length;
		var pattern = new RegExp('(^|\\s)dropDown(.*\)');

		for (i = 0, j = 0; i < elsLen; i++){
			if (pattern.test(els[i].className)){
				els[i].style.visibility='hidden';
				j++;
			}
		}
	}
}


//Top offset
function getOffsetTop(elm){
	var mOffsetTop = elm.offsetTop;
	var mOffsetParent = elm.offsetParent;
	while(mOffsetParent){
		mOffsetTop += mOffsetParent.offsetTop;
		mOffsetParent = mOffsetParent.offsetParent;
	}
	return mOffsetTop;
}

//Left offset
function getOffsetLeft(elm){
	var mOffsetLeft = elm.offsetLeft;
	var mOffsetParent = elm.offsetParent;
	while(mOffsetParent){
		mOffsetLeft += mOffsetParent.offsetLeft;
		mOffsetParent = mOffsetParent.offsetParent;
	}
	return mOffsetLeft;
}

//AJAX
var xmlHttp;
var xmlHttpResponseID;

//create XMLHttpRequest object
function createXMLHttpRequest(){
	if (window.XMLHttpRequest){
		xmlHttp = new XMLHttpRequest();
	}else if (window.ActiveXObject){
		xmlHttp = new ActiveXObject('Msxml2.XMLHTTP');
		if (! xmlHttp){
			xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
		}
	}
}

//XMLHttpRequest event handler
function XMLHttpResponse(){
	if (xmlHttp.readyState == 4 || xmlHttp.readyState=='complete'){
		if (xmlHttp.status == 200){
			xmlHttpResponseID.innerHTML = xmlHttp.responseText;
		}else {
			xmlHttpResponseID.innerHTML = '<strong>Error connecting to server</strong>';
		}

	}
}

//Get AJAX data
function getAjaxData(url, elementID){
	xmlHttpResponseID = document.getElementById(elementID);
	xmlHttpResponseID.innerHTML = '<strong>Loading...</strong>';
	createXMLHttpRequest();
	xmlHttp.onreadystatechange = XMLHttpResponse;
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
}


// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
  var msg;
  var msgcontent;
  if(!document.getElementById('msg')) {
    msg = document.createElement('div');
    msg.id = 'msg';
    msgcontent = document.createElement('div');
    msgcontent.id = 'msgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('msg');
    msgcontent = document.getElementById('msgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = document.getElementById(target);
  targetdiv.focus();
  var targetheight = targetdiv.offsetHeight;
  var targetwidth = targetdiv.offsetWidth;
  var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
  if(!autohide) {
    autohide = MSGHIDE;  
  }
  window.setTimeout("hideMsg()", (autohide * 1000));
}

// hide the form alert //
function hideMsg(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
  }
}

// face the message box //
function fadeMsg(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED;
  } else {
    value = msg.alpha - MSGSPEED;
  }
  msg.alpha = value;
  msg.style.opacity = (value / 100);
  msg.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(msg.timer);
    msg.timer = null;
  } else if(value <= 1) {
    msg.style.display = "none";
    clearInterval(msg.timer);
  }
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
  var left = 0;
  if(target.offsetParent) {
    while(1) {
      left += target.offsetLeft;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.x) {
    left += target.x;
  }
  return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
  var top = 0;
  if(target.offsetParent) {
    while(1) {
      top += target.offsetTop;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.y) {
    top += target.y;
  }
  return top;
}

// preload the arrow //
if(document.images) {
  arrow = new Image(7,80); 
  arrow.src = "images/msg_arrow.gif"; 
}