/*
 * JDiv
 * By Cody Lindley (http://www.codylindley.com)
 * Under an Attribution, Share Alike License
 * JDiv is built on top of the very light weight jquery library.
 
 * Modifications by Rey Bango and Karl Swedberg
 */

//on page load (as soon as it is ready) call JD_init
$(document).ready(JD_init);

function JD_init(){
	// 9/21/06 - Rey Bango added hide() method to correct an issue with FF
	$("a.JDiv")
	  .click(function() {
	    JD_show(this.href,this.id,this.name)
	  },function() {
	    $('#JD').hide().remove();
	  })
	  .click(function(){return false});
}

function JD_show(url,linkId,title){
	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) + 15; //set y position
	
	var queryString = url.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	if(params['width'] === undefined){params['width'] = 500};
	if(params['link'] !== undefined){
  	$('#' + linkId).bind('click',function(){window.location = params['link']});
  	$('#' + linkId).css('cursor','pointer');
	}
	
//	if(hasArea>((params['width']*1)+75)){
		$("body").append(
		"<div id='JD' style='width:"+params['width']*1+"px'><div id='JD_close_left'>"+title+"<a href='#' id='JD_Close' title='Close'>close</a></div><div id='JD_copy'><div class='JD_loader'></div></div></div>");//right side
		//$('body').append('<div id="JD_arrow_left"></div>'); 
		//var arrowOffset = getElementWidth(linkId) + 11;
		var clickElementx = getAbsoluteLeft(linkId); // + arrowOffset; //set x position
   //  $('#JD_arrow_left').css({left: (clickElementx) + "px", top: clickElementy +"px"});		
// 	}else{
// 		$("body").append("<div id='JD' style='width:"+params['width']*1+"px'><div id='JD_close_right'>"+title+"</div><div id='JD_copy'><div class='JD_loader'><div></div></div>");//left side
// 		$('body').append('<div id="JD_arrow_right"></div>');
// 		var clickElementx = getAbsoluteLeft(linkId) - ((params['width']*1) + 20); //set x position
// 	  $('#JD_arrow_right').css({left: (getAbsoluteLeft(linkId) - 20) + "px", top: clickElementy + "px"});		
// 	}	
	$('#JD').css({left: clickElementx+"px", top: clickElementy +"px"});
   
	$('#JD_copy').load(url, function() {
	 // if JDiv goes to left side and is partially cut off at left of doc...	  
	  if ($('#JD_arrow_right') && clickElementx < 0) {
 	    var JD_width = (getAbsoluteLeft(linkId) - 22);
 	    $('#JD').css({left: 2, width: JD_width}); //adjust width to fit
 	  }
	  //get the height of the JDiv after loading it
	  var JDiv_height = $('#JD').height();
	  //adjust the top of JDiv
	 // move_JDiv();
// 	  if ( (scroll_position + window_height) - clickElementy < JDiv_height ) {
//  	    var adjusted_top = (window_height - JDiv_height) - 6 + scroll_position;
//        if ( adjusted_top - scroll_position < 0 ) {
//          $('#JD').css({top: scroll_position + 1});
//        } else {
//          $('#JD').css({top: adjusted_top});
//        }
//      }      
	}); // end .load()
	$('#JD').show();
	$('#JD_Close').click(function(){$('#JD').fadeOut().remove();});
} // end JD_show()

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;
	if(o.offsetParent) {
	  o = o.offsetParent;
	}
	while(o) { // Parse the parent hierarchy up to the document element
		oTop += o.offsetTop; // Add parent top position
		o = o.offsetParent;
	}
	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 move_JDiv() {
  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 blockEvents(evt) {
  if(evt.target){
    evt.preventDefault();
  }else{
    evt.returnValue = false;
  }
}