/*
 * 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 JTtimeoutID;
var JTcurrentLinkID;

function JT_init(){
	       $("[tip]")
		   .hover(function(){
		   		if(!this.href){
			   		JT_show(null,this.id,$(this).attr("tip"))
		   		}else{
			   		JT_show(this.href,this.id,$(this).attr("tip"))
			   	}
		   	},function(){
	   			$('#JT').stop().fadeOut(100, function(){
	   				$('#JT').remove();
	   			});
		   	})
           .click(function(){return false});	   
}

function JT_show(url, linkId, title, content){
	var alreadyShowing = $('#JT').length>0;
	if(alreadyShowing&&linkId==JTcurrentLinkID) return;
	$('#JT').stop().remove();
	JTcurrentLinkID = linkId;
	if(title == false)title=" ";
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea = w - $('#'+linkId).offset().left;
	var clickElementy = $('#'+linkId).offset().top + Math.ceil($('#'+linkId).outerHeight()/2); //set y position
	
	if(url){
		var queryString = url.replace(/^[^\?]+\??/,'');
		var params = parseQuery( queryString );
	}else{
		var params = {
			orientation:"right",
			width:170
		};
	}
	if(params['width'] === undefined){params['width'] = 200};
	if(params['link'] !== undefined){
		$('#' + linkId).bind('click',function(){window.location = params['link']});
		$('#' + linkId).css('cursor','pointer');
	}
	
	if(hasArea>((params['width']*1)+75)&&params.orientation!="left"){
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id=\"JTie\"><div id='JT_arrow_left'></div><div id='JT_close_left'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div></div>");//right side
		var arrowOffset = $('#'+linkId).width();
		var clickElementx = $('#'+linkId).offset().left + arrowOffset; //set x position
	}else{
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id=\"JTie\"></div><div id='JT_arrow_right' style='left:"+((params['width']*1)+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 = $('#'+linkId).position().left - ((params['width']*1) + 15); //set x position
	}
	
	clickElementy -= (.5*($('#JT').height()));
	if(alreadyShowing){
		$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	}else{
		$('#JT').css({left: (clickElementx+(params.orientation=="left"?-15:15))+"px", top: (clickElementy)+"px", opacity:0});
		$('#JT').animate({left:clickElementx+"px", opacity:1},350, 'swing');
	}
	if(!content&&url){
		$('#JT_copy').load(url);
	}
	if(!url&&content){
		$('#JT_copy').html(content);
	}
	

}

function getElementWidth(objectId) {
	return $(objectId).offsetWidth;
}

function getElementHeight(objectId) {
	return $(objectId).offsetHeight;
}

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;
              }
}