imageX='minus';
function toggleDisplay(e,i){
i1=document.getElementById(i);
element = document.getElementById(e).style;
 if (element.display=='none') {element.display='block';}
 else {element.display='none';}
 if (imageX=='plus') {i1.src='images/minus.gif';imageX='minus';}
 else {i1.src='images/plus.gif';imageX='plus';}
}


function confirmSubmit()
{
var agree=confirm("Are you sure want to continue?");
if (agree)
	return true ;
else
	return false ;
}



$(document).ready(function()
{
	$("#username").blur(function()
	{
		$("#msgbox").removeClass().addClass('messagebox').text('Checking...').fadeIn("slow");
		$.post("user_availability.php",{ username:$(this).val() } ,function(data)
        {
		  if(data=='no') //if username not avaiable
		  {
		  	$("#msgbox").fadeTo(200,0.1,function() 
			{ 
			 $(this).html('Username already exists.').addClass('messageboxerror').fadeTo(900,1);
			});		
          }
		  else
		  {
		  	$("#msgbox").fadeTo(200,0.1,function() 
			{ 
			  $(this).html('Username available.').addClass('messageboxok').fadeTo(900,1);	
			});
		  }
				
        });
 
	});
});

function toggle(element) {
	if (document.getElementById(element).style.display == "none") {
		document.getElementById(element).style.display = "";
	} else {
		document.getElementById(element).style.display = "none";
	}
}




var horizontal_offset="-150px" //horizontal offset of hint box from anchor link

var vertical_offset="25" //horizontal offset of hint box from anchor link. No need to change.
var ie=document.all
var ns6=document.getElementById&&!document.all

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
if (whichedge=="rightedge"){
var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-30 : window.pageXOffset+window.innerWidth-40
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+parseInt(horizontal_offset)
}
else{
var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
}
return edgeoffset
}

function showhint(menucontents, obj, e, tipwidth){
if ((ie||ns6) && document.getElementById("hintbox")){
dropmenuobj=document.getElementById("hintbox")
dropmenuobj.innerHTML=menucontents
dropmenuobj.style.left=dropmenuobj.style.top=-500
if (tipwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=tipwidth
}
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
dropmenuobj.style.visibility="visible"
obj.onmouseout=hidetip
}
}

function hidetip(e){
dropmenuobj.style.visibility="hidden"
dropmenuobj.style.left="-500px"
}

function createhintbox(){
var divblock=document.createElement("div")
divblock.setAttribute("id", "hintbox")
document.body.appendChild(divblock)
}

if (window.addEventListener)
window.addEventListener("load", createhintbox, false)
else if (window.attachEvent)
window.attachEvent("onload", createhintbox)
else if (document.getElementById)
window.onload=createhintbox