/*
 * 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 mouseX,mouseY;
var termTarget='';
function JT_init(){
	   $("a.jTip")
	   .hover(function(){JT_show(this.href,this.id,this.name)},function(){$('#JT').remove()})
           .click(function(){window.location='/ulcerative-colitis-glossary.aspx#'+termTarget;return false;});
       
       $("body").mousemove(function(e){
          mouseX=e.pageX;
          mouseY=e.pageY;
          
       }); 
          
}

function getCookie2(c_name) { if (document.cookie.length>0) { c_start=document.cookie.indexOf(c_name + "="); if (c_start!=-1) { c_start=c_start + c_name.length+1; c_end=document.cookie.indexOf(";",c_start); if (c_end==-1) c_end=document.cookie.length; return unescape(document.cookie.substring(c_start,c_end)); } } return ""; }

function JT_show(url,linkId,title){
	if(title == false)title=" ";
	title=title.replace("INSERTBREAK","<br />");
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea = w - getAbsoluteLeft(linkId);
	var clickElementy = getAbsoluteTop(linkId) + 60; //set y position
	
	var queryString = url.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	termTarget=params['term'];
	if(params['width'] === undefined){params['width'] = 250};
	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='JT'><div id='JT_top'><img src='/images/glossary-top.png' alt='' /></div><div class='jt_content'><h5>"+title+"</h5><div id='JT_copy'></div></div><div id='JT_bottom'><img src='/images/glossary-bottom-bottom.png' alt='' /></div></div>");//right side
		var arrowOffset = getElementWidth(linkId) + 11;
		
		var clickElementx = getAbsoluteLeft(linkId); //arrowOffset REMOVED + arrowOffset; //set x position
	}else{
		$("body").append("<div id='JT'><div id='JT_top'><img src='/images/glossary-top.png' alt='' /></div><div class='jt_content'><h5>"+title+"</h5><div id='JT_copy'></div></div><div id='JT_bottom'><img src='/images/glossary-bottom-bottom.png' alt='' /></div></div>");//left side
	
		var clickElementx = getAbsoluteLeft(linkId) - ((params['width']*1) + 15); //set x position
	}
	
	clickElementx=mouseX+5;
	//clickElementy=mouseY+0;
	clickElementy=$("#"+linkId).offset().top + $("#"+linkId).height() + 3;
	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();
	//$('#JT').css('display', 'none');
	$('#JT_copy').load(url);
	//$('#JT').fadeIn("slow");
    
    //font sizer
    var savedSize = getCookie2('fontSizer');
    $('#JT').css('font-size', savedSize);
    
}

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;
              }
}