/*
 * 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 jTipCache = Array();
var removeTimeOut = null;
var closeDelay = 500;

function JT_init(){
	       $("a.jTip")
		   .hover(function(){
		   		if(removeTimeOut){
		   			resetRemoveTimeOut();
		   		}else{
		   			JT_show(this.href,this,$(this).attr('title'));
		   			$('#JT').hover( function(){resetRemoveTimeOut();},
		   				function(){setRemoveTimeOut($('#JT'))}
		   			);
		   		}
		   		
		   },function(){setRemoveTimeOut($('#JT'))})
           .click(function(){return false});
		
}
function setRemoveTimeOut(elem){
	removeTimeOut=setTimeout(function(){elem.remove();removeTimeOut=null;},closeDelay);
}
function resetRemoveTimeOut(){
	if(removeTimeOut){
		clearTimeout(removeTimeOut);
	}
	removeTimeOut=null;
}
function JT_show(url,linkElem,title){
	if(title == false)title=" ";
	var de = $('#container');
	var w = de.innerWidth();
	var hasArea = w - getAbsoluteLeft(linkElem);
//	alert(w + ' has? ' + hasArea + ' left:' + getAbsoluteLeft(linkElem));
	var clickElementy = getAbsoluteTop(linkElem) - 3; //set y position
	
	var queryString = url.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	var centered = (params['centered']?true:false);
	
	if(params['width'] === undefined){params['width'] = 250};
	if(params['link'] !== undefined){
		$(linkElem).bind('click',function(){window.location = params['link']});
		$(linkElem).css('cursor','pointer');
	}
	if(params['title'] !== undefined){
		title=params['title'];
	}
	var elemWidth = getElementWidth(linkElem) + 11
	if(centered){
		$(".content_zone").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_close_left'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//centered
	}else if(hasArea>((params['width']*1)+75 + elemWidth)){
		$(".content_zone").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 = elemWidth;
		var clickElementx = getAbsoluteLeft(linkElem) + arrowOffset; //set x position
	}else{
		$(".content_zone").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_close_right'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = getAbsoluteLeft(linkElem) - ((params['width']*1) + 15); //set x position
	}

	$('#JT').show();
	if(!centered){	
		$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	}else{
	}
	if(!params['text']){
		if(jTipCache[url]){
			$('#JT_copy').html(jTipCache[url]);
			$('#JT').center();
		}else{	
			$('#JT_copy').load(url,null,Function('saveCache("'+url+'");'+(centered?'$(\'#JT\').center()':'')));
		}
	}else{
		$('#JT_copy').html(params['text']);
	}

}
function saveCache(url){
	jTipCache[url]=$('#JT_copy').html();
}
function getElementWidth(objectId) {
	x = $(objectId).width();
	return x;
}

function getRelativeLeft(objectId) {
	var pos = $(objectId).offset();
	return pos.left;
}
function getAbsoluteLeft(objectId) {
	// Get an object left position from the upper left viewport corner
	var pos = $(objectId).position();
	/*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 pos.left;
}

function getAbsoluteTop(objectId) {
	// Get an object top position from the upper left viewport corner
	var pos = $(objectId).position();
	/*
	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 pos.top;
}

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;
              }
}