//inits

var loadDiv;

/* AJAX Stuff
==============
*/

var xmlhttp;

function loadPage(url,whichDiv) {
	xmlhttp = null;
	loadDiv = whichDiv;
	
	if (window.XMLHttpRequest) {// code for Firefox, Opera, IE7, etc.
		xmlhttp = new XMLHttpRequest();
	} else if (window.ActiveXObject) {// code for IE6, IE5
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}

	if (xmlhttp != null) {
		xmlhttp.onreadystatechange = stateChange;
		xmlhttp.open("GET",url,true);
		xmlhttp.send(null);
	} else {
		alert("Your browser does not support XMLHTTP.");
	}
}

function stateChange() {
	if (xmlhttp.readyState == 4) {// 4 = "loaded"
		if (xmlhttp.status == 200 || xmlHttp.status == 304) {// 200 = "OK"
			document.getElementById(loadDiv).innerHTML = xmlhttp.responseText;
		} else {
			alert("Problem retrieving data:" + xmlhttp.statusText);
    	}
	}
}


/* reset switches
=================
*/

function swapClass(str) {
    var tags = document.getElementsByTagName("li");
    for (var i = 0; i < tags.length ; i++) {
		if (tags[i].className == "switchOn") {
			tags[i].className = "switchOff";
		}
    }
    document.getElementById(str).className = "switchOn";  
}

var imgNum;
var imgBaseRef;
var totalImg;

function resetSwitches(urlStr,maxImages) {
	imgNum = 1;
	totalImg = maxImages;
	imgBaseRef = './media/img/' + urlStr;
}

function decImg(img_name) {
    if (imgNum > 1) {
		imgNum--;
	}
	
	var tags = document.getElementsByTagName("li");
	for (var i = 1; i < tags.length ; i++) {
		if (tags[i].className == "switchOn") {
			tags[i].className = "switchOff";
		}
    }

	str = "switch" + imgNum;
	var e = document.getElementById(str);
		
	e.className = "switchOn";
	if (imgNum < 10) {
		img_src = imgBaseRef + '0' + imgNum + '.jpg';
	} else {
		img_src = imgBaseRef + imgNum + '.jpg';
	}
	document[img_name].src = img_src;
}

function incImg(img_name) {
 	if (imgNum < totalImg) {
		imgNum++;
	}
	var tags = document.getElementsByTagName("li");
	for (var i = 1; i < tags.length ; i++) {
		if (tags[i].className == "switchOn") {
			tags[i].className = "switchOff";
		}
    }
	str = "switch" + imgNum;
    	var e = document.getElementById(str);
	
	e.className = "switchOn";
	if (imgNum < 10) {
		img_src = imgBaseRef + '0' + imgNum + '.jpg';
	} else {
		img_src = imgBaseRef + imgNum + '.jpg';
	}
	document[img_name].src = img_src;
}




/* change IMG
=============
*/

function changeIMG( img_name, img_src, newNum ) {
	if( typeof( newNum ) == "number" ) {
		imgNum = newNum;
	}
	document[img_name].src = img_src;
}


/* popup stuff
==============
*/

function showClients(){
   var popUp = document.getElementById("clientList");
   popUp.style.visibility = "visible";
}

function hideClients(){
   var popUp = document.getElementById("clientList");
   popUp.style.visibility = "hidden";
}

//------- MM scripts

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


/* other utils
===============
*/

function setVisibility(objId, sVisibility) {
	var obj = document.getElementById(objId);
	obj.style.visibility = sVisibility;
}