/*
 * 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);

//
// modified so that click url is href attribute, hover url is hover_url attribute  --mdobbrow
// modified so tooltip width can come from width attribute
//
function JT_init(){
    $("a.jTip")
            .hover(function(){JT_show(this.href,this.id,this.name)},function(){$('#JT').remove()});
}

function JT_suspend(){
    $("a.jTip").unbind("hover");
}

function JT_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) - 3; //set y position

    var queryString = url.replace(/^[^\?]+\??/,'');
    var params = parseQuery( queryString );
    if(params['width'] === undefined){params['width'] = $('#' + linkId).attr("width")};
    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' 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').css({visibility: "visible"});
    $('#JT').show();
    $('#JT_copy').load($('#' + linkId).attr("hover_url"));

}

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;
    }
}