/*
 * 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.
 */
(function($){

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

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

	function JT_show(url,linkId,title,eventObject){
		if(title == false)title="&nbsp;";
		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_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_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() {
			var h = self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
			var JT_Height = $('#JT_copy').height();
			JT_Height = JT_Height * 1;

			if ( ( h - eventObject.clientY ) < JT_Height ) {
				clickElementy = clickElementy - JT_Height;
				$('#JT').css({top: clickElementy+"px"});
			}
		});

	}

	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;
	              }
	}
})(jQuery);
