/*
 * 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.
 */

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

addEvent(window, 'load', JT_init);

function JT_init(){
	$("a.jTip").hover(function(){JT_show(this.href,this.id)},function(){$('#JT').remove()}).click(function(){return false});
	$("a.jTip2").hover(function(){JT_show2(this.innerHTML,this.id)},function(){$('#JT').remove()}).click(function(){return false});	   	   
}

function JT_show(url,linkId){
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea = w - getAbsoluteLeft(linkId);
	var clickElementy = getAbsoluteTop(linkId) - 33; //set y position
	
	var queryString = url.replace(/^[^\?]+\??/,''); 
	var params = parseQuery( queryString );
	if(params['width'] === undefined){params['width'] = 250};

	$('#' + 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_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_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = getAbsoluteLeft(linkId) - ((params['width']*1) + 20); //set x position
	}
	
	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();
	
	$('#JT_copy').load(url);
}

function JT_show2(htm,linkId){
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea = w - getAbsoluteLeft(linkId);
	var clickElementy = getAbsoluteTop(linkId) - 33; //set y position
	
	var width = 205;
	$('#' + linkId).css('cursor','pointer');
	
	hasArea = hasArea - 110;
	
	if(hasArea>((width*1)+75)){
		$("body").append("<div id='JT' style='width:"+width*1+"px'><div id='JT_arrow_left'></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:"+width*1+"px'><div id='JT_arrow_right' style='left:"+((width*1)+1)+"px'></div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = getAbsoluteLeft(linkId) - ((width*1) + 15); //set x position
	}

	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show(); 
	
	//we need lowercase because in IE the span tag is in uppercase
    var spanloc = htm.toLowerCase().indexOf("<span");
    var substr = htm.substring(spanloc+5); 
    var li = substr.indexOf(">");
	var last = substr.toLowerCase().lastIndexOf("</span>");
	msg = substr.substring(li+1, last); 
	$('#JT_copy').html(msg);
}

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;
}