var iie = (navigator.userAgent.indexOf('MSIE')>0); 

function getAbsX(elt)
{
	return (elt.x) ? elt.x : getAbsPos(elt,"Left");
}

function getAbsY(elt)
{
	return (elt.y) ? elt.y : getAbsPos(elt,"Top");
}

function getAbsPos(elt,which) {
	iPos = 0;
	while (elt != null) {
		iPos += elt["offset" + which];
		elt = elt.offsetParent;
	}
	return iPos;
}

function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

Ajax.Responders.register({
	onCreate: function() {
		if($('notification') && Ajax.activeRequestCount > 0)

		$('notification').style.position = "absolute";
		$('notification').style.top = document.body.scrollTop;
		$('notification').style.left = "0px";
		$('notification').style.float = "top";

		Effect.Appear('notification',{duration: 0.15, queue: 'end'});
	},
	onComplete: function() {
		if($('notification') && Ajax.activeRequestCount == 0)
			Effect.Fade('notification',{duration: 0.25, queue: 'end'});
			
	}
});

var popDiv;
var moveDiv = false;

function mousePosition(e){
	this.x = iie ? event.x-2 : e.pageX;
	this.y = iie ? event.y-2 + document.body.scrollTop : e.pageY;
}

function WindowOnload(f) {
	var prev=window.onload;
	window.onload=function(){ if(prev)prev(); f(); }
}

function img_change(e,what) {
	e.src = what;
}

var PDiv = {
	on: function(e,txt){
		if(!this.popDiv){
			this.popDiv = document.createElement("div"); 
			this.popDiv.id = "popDiv";
			this.popDiv.className="popDiv";
			this.popDiv.style.position = "absolute";
			this.popDiv.style.top = "0px";
			this.popDiv.style.left = "0px";
			this.popDiv.style.zIndex = "31338";
			document.body.appendChild(this.popDiv);
			if(!this.popDiv) return;
		}
		
		if (this.popDiv){
			this.popDiv.innerHTML=txt;
			this.popDiv.style.top = pos.y+25+"px";
			this.popDiv.style.left = pos.x+10+"px";
			this.popDiv.style.display='inline';
			Event.observe(e,"mouseout",this.off.bindAsEventListener(this));
			Event.observe(e,"mousemove",this.move.bindAsEventListener(this));
		}
	},
	move: function(){
		if (this.popDiv){
			this.popDiv.style.top = pos.y+25+"px";
			this.popDiv.style.left = pos.x+10+"px";
		}
	},
	off: function(){
		if (this.popDiv){
			this.popDiv.style.display='none';
		}
	}
}