/*
 * 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(){

  // SM 21/01/2010 3:32:13 PM: Use live for ajaxy page loads
  $("a.jTip").live('mouseover', function(){ JT_show(this); });
  $("a.jTip").live('mouseout', function(){ $('#JT').remove() });
  $("a.jTip").live('click', function(){ return false; });

  /*  
  $("a.jTip")
    .hover(function(){JT_show(this)},function(){$('#JT').remove()})
    .click(function(){return false});	       
  */    
    
  /*    
  $("a.jTip").hoverIntent({
    sensitivity: 3, // number = sensitivity threshold (must be 1 or higher)    
    interval: 0, // number = milliseconds for onMouseOver polling interval    
    timeout: 500, // number = milliseconds delay before onMouseOut    
    over: function(){JT_show(this.href,this.id,this.name)}, // function = onMouseOver callback (REQUIRED)    
    out: function(){$('#JT').remove()} // function = onMouseOut callback (REQUIRED) 
  }).click(function(){return false});
  */
}

function JT_hoverShow() {
  JT_show(this.href,this.id,this.name);
}

function JT_hoverHide() {
  $('#JT').remove();
}

function JT_show(elem){

  href     = elem.href;
  linkId   = elem.id;
  title    = elem.name;
  tip_dir  = $(elem).attr('tip_dir') ? $(elem).attr('tip_dir') : false;
  
  //alert('tip_dir:'+tip_dir);
  
	if(title == false)title=" ";
	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 = href.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');
	}
	
	// SM 02Jul10: Stuffing about with overrides
	if('left' == tip_dir || hasArea > ((params['width']*1)+75) && 'right' != tip_dir ){
		$("body").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 = 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'>"+title+"</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();
	$('#JT_copy').load(href);

}

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;
              }
}