/*
 * 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);

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

function JT_show(href){
	var title = (href.name) ? href.name : " ";
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea = w - getAbsoluteLeft(href);
	var clickElementy = getAbsoluteTop(href) - 3; //set y position
	
	thelink = href.href;
	result = (/\.(?=gif|jpg)/gi).test(thelink);
	if (result) {
		var image = new Image();
		image.src = thelink;
	}

	var queryString = thelink.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );

	if(params['width'] === undefined && image){
		if (image.width > 350) {
			image.width = 350;
		}
		params['width'] = image.width;
	};

	if(params['width'] === undefined){params['width'] = 250};
	if(params['link'] !== undefined){
	href.bind('click',function(){window.location = params['link']});
	href.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(href) + 11;
		var clickElementx = getAbsoluteLeft(href) + 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))+"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(href) - ((params['width']*1) + 15); //set x position
	}
	
	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();
	if (image) {
		document.getElementById('JT_copy').innerHTML = "<img src=\""+ image.src +"\" width=\""+ image.width +"\">";
	} else {
		$('#JT_copy').load(href.href);
	}




}

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

function getAbsoluteLeft(object) {
	// Get an object left position from the upper left viewport corner
	//o = document.getElementById(objectId)
	o = object;
	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(object) {
	// Get an object top position from the upper left viewport corner
//	o = document.getElementById(objectId)
	o = object;
	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;
              }
}