/*
 * 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.
 */
 
/*Modification by Jack Born
(http://15daysofjquery.com)

See my new content management system at 
http://cmslaunch.com
*/

/*Modification **  by Eric PONCHANT
(http://www.ericfreelance.com)

Add from // update from idea of http://www.learningjquery.com/2006/10/updated-plugin-jtip
And change **

*/

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

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

function JT_show(url,linkId,info){
	if(info == false)info=" ";
	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 = info.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	if(params['width'] === undefined){params['width'] = 250};
	if(params['link'] !== undefined){
	$('#' + linkId).bind('click',function(){window.location = url});
	$('#' + linkId).css('cursor','pointer');
	}
	if(params['name'] !== undefined){
	var linkName = params['name'];
	}
	else
	{
	var linkName =" ";
	}
	
	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_close_left'>"+linkName+"</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{
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_right' style='left:"+((params['width']*1)+1)+"px'></div><div id='JT_close_right'>"+linkName+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = getAbsoluteLeft(linkId) - ((params['width']*1) + 15); //set x position
	}
	if ($.browser.msie) { 
		$('#JT').prepend('<iframe id="jTipiFrame"></iframe>'); // iframe for IE select box z-index issue
	  $('#jTipiFrame').width((params['width']*1) + "px");	
	}	
	
	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});

	// update from idea of http://www.learningjquery.com/2006/10/updated-plugin-jtip
	// but i change load(url,function() by load(info, function() 
	// i add + "px" on $('#JT').css 

	$('#JT_copy').load(info, function() { //**
		//if jtip goes to left side and is partially cut off at left of doc...	  
		if ($('#JT_arrow_right') && clickElementx < 0) {
			var JT_width = (getAbsoluteLeft(linkId) - 22);
			$('#JT').css({left: 2, width: JT_width}); //adjust width to fit
		}
		//get the height of the jtip after loading it
		var jtip_height = $('#JT').height();
		//adjust the top of jTip
		move_jtip();
		if ( (scroll_position + window_height) - clickElementy < jtip_height ) {
			var adjusted_top = (window_height - jtip_height) - 6 + scroll_position;
			if ( adjusted_top - scroll_position < 0 ) {
				$('#JT').css({top: scroll_position + 10 + "px"}); //**
			} else {
				$('#JT').css({top: adjusted_top + "px"}); //**
			}
		}   
 	}); // end .load()
	
	//$('#JT_copy').load(info);
	
	$('#JT').show();

}

// update from idea of http://www.learningjquery.com/2006/10/updated-plugin-jtip
function move_jtip() {
  if (window.innerHeight) {
	  scroll_position = window.pageYOffset;
	  window_height = window.innerHeight;
	}
	else if (document.documentElement && document.documentElement.scrollTop) {
		scroll_position = document.documentElement.scrollTop;
    window_height = document.documentElement.clientHeight;
	}
	else if (document.body) {
	  scroll_position = document.body.scrollTop;
	  window_height = document.body.clientHeight;
	}
}

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;
              }
}