/*
 * JTip
 * By Cody Lindley (http://www.codylindley.com)
 * Under an Attribution, Share Alike License
 * JTip is built on top of the very light weight jquery library.
 * Modifications by Bojo! (03-2008)
 */

//on page load (as soon as its ready) call JT_init
$(document).ready(JT_init);

function JT_init(){
	$("a.jTip")
	.hover(function(){JT_show(this);},function(){$('#JT').remove();})
	.click(function(){return false});
}

function JT_show(obj){
	var title = $(obj).html();
	if(title == false) title=" ";
	var de = document.documentElement;
	var w = self.innerWidth || de&&de.clientWidth || document.body.clientWidth;
	var hasArea = w - getAbsoluteLeft(obj);
	var clickElementy = getAbsoluteTop(obj) - 3; //set y position

	var url = obj.href;
	var queryString = url.replace(/^[^\?]+\??/,'');
	var params = parseQuery(queryString);
	if(params['width'] === undefined) params['width'] = 250;
	if(params['link'] !== undefined){
		$(obj).bind('click',function(){window.location = params['link']});
		$(obj).css('cursor','pointer');
	}

	if(hasArea>((params['width']*1)+75)){
		$("body").prepend("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_left'></div><div id='JT_close_left'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//right side
		var arrowOffset = getElementWidth(obj) + 12;
		var clickElementx = getAbsoluteLeft(obj) + arrowOffset; //set x position
	}else{
		$("body").prepend("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_right' style='left:"+((params['width']*1)+1)+"px'></div><div id='JT_close_right'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = getAbsoluteLeft(obj) - params['width']*1 - 14; //set x position
	}

	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').fadeIn('normal', function(){
		var sep = (queryString != '') ? '&' : '?';
		$('#JT_copy').load(url+sep+'tooltip');
		});
}

function getElementWidth(x){
	return x.offsetWidth;
}

// Get an object left position from the upper left viewport corner
function getAbsoluteLeft(o){
	oLeft = o.offsetLeft; // Get left position from the parent object
	while(o.offsetParent!=null){ // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent;
		oLeft += oParent.offsetLeft;
		o = oParent;
	}
	return oLeft;
}

// Get an object top position from the upper left viewport corner
function getAbsoluteTop(o){
	oTop = o.offsetTop; // Get top position from the parent object
	while(o.offsetParent!=null){ // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent;
		oTop += oParent.offsetTop;
		o = oParent;
	}
	return oTop;
}

function parseQuery(query){
	var Params = new Object();
	if(!query) return Params; // return empty object
	var Pairs = query.split(/[;&]/);
	for(var i = 0; i < Pairs.length; ++i){
		var KeyVal = Pairs[i].split('=');
		if(!KeyVal || KeyVal.length != 2) continue;
		var key = unescape(KeyVal[0]);
		var val = unescape(KeyVal[1]);
		val = val.replace(/\+/g, ' ');
		Params[key] = val;
	}
	return Params;
}

function blockEvents(evt){
	if(evt.target) evt.preventDefault();
	else evt.returnValue = false;
}