/*
 * JTip
 * By Cody Lindley (http://www.codylindley.com)
 * Re-formatted for readability by Beau Lebens
 * Under an Attribution, Share Alike License
 * JTip is built on top of the very light weight jquery library.
 */

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

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

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

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

	if (hasArea > ((params['width'] * 1) + 75)) {
		$("body").append("<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(linkId) + 11;
		var clickElementx = getAbsoluteLeft(linkId) + arrowOffset; //set x position
	} else {
		$("body").append("<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(linkId) - ((params['width']*1) + 15); //set x position
	}

	$('#JT').css({left: clickElementx + "px", top: clickElementy + "px"});
	$('#JT').show();
	$('#JT_copy').load(url);
}

function getElementWidth(objectId) {
	x = document.getElementById(objectId);
	return x.offsetWidth;
}

function getAbsoluteLeft(objectId) {
	// Get an object left position from the upper left viewport corner
	o = document.getElementById(objectId)
	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    // Get parent object reference
		oLeft += oParent.offsetLeft // Add parent left position
		o = oParent
	}
	return oLeft;
}

function getAbsoluteTop(objectId) {
	// Get an object top position from the upper left viewport corner
	o = document.getElementById(objectId)
	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  // Get parent object reference
		oTop += oParent.offsetTop // Add parent top position
		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;
	}
}