/*
 * 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);
var ajaxWaitingImage = "<img src=\"/images/ajax-loader.gif\" />";

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

function JT_show(url,linkId,title){

	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='display:none;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='display:none;width:"+params['width']*1+"px'><div id='JT_arrow_right'></div><div id='JT_close_left'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");
		var clickElementx = getAbsoluteLeft(linkId) - ((params['width']*1) + 15); //set x position
	}

	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px", display: "none"});
	$('#JT').show();
	
	var objectId = "#jtip" + linkId;
	$('#JT_copy').html(ajaxWaitingImage);

	if( $$(objectId).length == 0 ){
		$.ajax({
		  url: url,
		  cache: true,
		  success: function( result ){
			$('#JT_copy').html( result );
			/*
			if( objectId.search(/rock/)!=-1 || objectId.search(/roll/)!=-1){
				setTimeout(function(){
					$('#JT_copy').cache( objectId );
				}, 500);
			}*/
		  }
		});	
	}else{
		var output = $$(objectId).html();
		$('#JT_copy').html( output );
	}
}

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;
//		o.style.backgroundColor="#000000";
//		alert(o.id + " " + oParent.offsetTop);
	}
	
	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;
	}
}