function inviteFriends()
{
  window.location.href="/invite.php";
}
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_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_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];}
}

function check()
{
  if (form1.username.value=="")
  {
    alert("Username cann't be empty!");
    form1.username.focus();
    return false;
  }
  else if (form1.password.value=="")
  {
    alert("Password cann't be empty!");
    form1.password.focus();
    return false;
  }
  else
  {
    return true;
  }
}

function searchFocus()
{
	var element = document.getElementById("artist_search");

	element.style.color="";

	if(element.value == "Enter artist and/or song title")
	{
		element.value="";
	}
}

var horizontal_offset="9px" //horizontal offset of hint box from anchor link
var vertical_offset="0" //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)
}