/*
 * 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(){
		
	       $("a.jTip")
		   .hover(function(){
			   	JT_show(this.href,this.id,this.name,this.title,this.rel)},
			   	function(){$('#JT').remove()}).click(function(){
			   		if (!hasSpecialChars(this.href) ) {
			   			return false;
			   		}
			   	});             
}

function JT_show(url,linkId,title,desc,rel){
	
	//for multiple events only first need to go thru
	if (document.getElementById("JT")!=null) {
		return;
	}
	
	if(title == false)title=" ";

	if(linkId.indexOf('rating_star_tab_') != -1)
	{
		linkId='rating_star_tab_1';
	}
	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 = "";
	if(rel !="")
	{
		queryString = rel.replace(/^[^\?]+\??/,'');
	}
	else if(url !="")
	{
		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_copy'><div class='JT_loader'><div></div></div>");//right side
		var arrowOffset = getElementWidth(linkId) + 11;
		var clickElementx = getAbsoluteLeft(linkId) + arrowOffset; //set x position
	}else{
		if(navigator.appName == 'Microsoft Internet Explorer')
		{
			$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_right' style='left:"+((params['width']*1)-2)+"px'></div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
			var clickElementx = getAbsoluteLeft(linkId) - ((params['width']*1) + 13); //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) + 15); //set x position
		}
	}
	
	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();
	var jtipdiv = document.getElementById("JT_copy");
	
	if (params['localFunction'] != undefined) {
		var funcName = params['localFunction'];
		var args ="";
		if (params['args'] != undefined) {
			args = params['args'];
		}
		var theData = eval( (funcName+"('"+args+"')") );
		$('#JT_copy').html(theData);		
	} else {
		if(rel !="")
		{
			$('#JT_copy').load(rel);
		}
		else if(url !="")
		{
			$('#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;
              }
}

function hasSpecialChars(data) {
	if (data) {
	return (data.indexOf("#") != -1 || 
		data.indexOf("%23") != -1 ||
		data.indexOf("+") != -1 ||
		data.indexOf("%2B") != -1 );
	} else {
		return false;
	}
}