//////////////////////////////////////////////////////////////
// universal.js - Simple JS functions that make JS easy
// Inspired by Ronak and Pulkit
// ----------------------------------------------------------
// Please Read the Terms of use at http://www.anelectron.com
// ----------------------------------------------------------
// (C)AEF Group All Rights Reserved.
//////////////////////////////////////////////////////////////

ua = navigator.userAgent.toLowerCase();
isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1));
isFF = (ua.indexOf("firefox") != -1);
isGecko = (ua.indexOf("gecko") != -1);
isSafari = (ua.indexOf("safari") != -1);
isKonqueror = (ua.indexOf("konqueror") != -1);

aefonload = '';

//Element referencer - We use $ because we love PHP
function $(id){
    //DOM
    if(document.getElementById){
        return document.getElementById(id);
    //IE
    }else if(document.all){
        return document.all[id];
    //NS4
    }else if(document.layers){
        return document.layers[id];
    }
};

//Trims a string
function trim(str){
    return str.replace(/^[\s]+|[\s]+$/, "");
};

//Give a random integer
function AEFrand(min, max){
    return Math.floor(Math.random() * (max - min + 1) + min);
};

//To clear a time out
function AEFclear(timer){
    clearTimeout(timer);
    clearInterval(timer);
    return null;
};

//Changes the opacity
function setopacity(el, opacity){
    el.style.opacity = (opacity/100);
    el.style.filter = 'alpha(opacity=' + opacity + ')';
};

//Hides an element
function hideel(elid){
    $(elid).style.visibility="hidden";
};

//Shows an element
function showel(elid){
    $(elid).style.visibility="visible";
};

function isvisible(elid){
    if($(elid).style.visibility == "visible"){
        return true;
    }else{
        return false;
    }
}

//Checkes the entire range of checkboxes
function check(field, checker){
    if(checker.checked == true){
        for(i = 0; i < field.length; i++){
            field[i].checked = true;
        }
    }else{
        for(i = 0; i < field.length; i++){
            field[i].checked = false;
        }
    }
};
//The page width
function getwidth(){
    return document.body.clientWidth;
};
//The page height
function getheight(){
    return document.body.clientHeight;
};

//Get the scrolled height
function scrolledy(){
    //Netscape compliant
    if(typeof(window.pageYOffset) == 'number'){
        return window.pageYOffset;
    //DOM compliant
    }else if(document.body && document.body.scrollTop){
        return document.body.scrollTop;
    //IE6 standards compliant mode
    }else if(document.documentElement && typeof(document.documentElement.scrollTop)!='undefined'){
        return document.documentElement.scrollTop;
    }else{
        return 0;
    }
};

//Gradually increases the opacity
function smoothopaque(elid, startop, endop, inc){
    if(typeof(elid) == 'object'){
        var el = elid;
    }else{
        var el = $(elid);
    }
    op = startop;
    //Initial opacity
    setopacity(el, op);
    //Start the opacity timeout that makes it more visible
    setTimeout(slowopacity, 1);
    function slowopacity(){
        if(startop < endop){
            op = op + inc;
            if(op < endop){
                setTimeout(slowopacity, 1);
            }
        }else{
            op = op - inc;
            if(op > endop){
                setTimeout(slowopacity, 1);
            }
        }
        setopacity(el, op);
    };
};

//Cookie setter
function setcookie(name, value, duration){
    value = escape(value);
    if(duration){
        var date = new Date();
        date.setTime(date.getTime() + (duration * 86400000));
        value += "; expires=" + date.toGMTString();
    }
    document.cookie = name + "=" + value;
};

//Gets the cookie value
function getcookie(name){
    value = document.cookie.match('(?:^|;)\\s*'+name+'=([^;]*)');
    return value ? unescape(value[1]) : false;
};

//Removes the cookies
function removecookie(name){
    setcookie(name, '', -1);
};

function AJAX(url, evalthis){
    req = false;
    toeval = evalthis;
    // branch for native XMLHttpRequest object
    if(window.XMLHttpRequest){
        try{
            req = new XMLHttpRequest();
        }catch(e){
            req = false;
        }
    // branch for IE/Windows ActiveX version
    }else if(window.ActiveXObject){
        try{
            req = new ActiveXObject("Msxml2.XMLHTTP");
        }catch(e){
            try{
                req = new ActiveXObject("Microsoft.XMLHTTP");
            }catch(e){
                req = false;
            }
        }
    }

    if(req){
        try{
            req.onreadystatechange = function(){
                // only if req shows "loaded"
                if (req.readyState==4) {
                    //only if OK
                    if (req.status == 200) {
                        // only if "OK"...processing statements go here..
                        var re = req.responseText // result of the req object
                        if(re.length > 0){
                            return eval(toeval);
                        }else{
                            return false;
                        }
                    }
                }
            };
            req.open("GET", url, true);
            req.send(null);
        }catch(e){
            return false;
        }
    }else{
        return false;
    }
    return true;
};

//Finds the position of the element
function findelpos(ele){
    var curleft = 0;
    var curtop = 0;
    if(ele.offsetParent){
        while(1){
            curleft += ele.offsetLeft;
            curtop += ele.offsetTop;
            if(!ele.offsetParent){
                break;
            }
            ele = ele.offsetParent;
        }
    }else if(ele.x){
        curleft += ele.x;
        curtop += ele.y;
    }
    return [curleft,curtop];
};

function getAttributeByName(node, attribute){
    if(typeof NamedNodeMap != "undefined"){
        if(node.attributes.getNamedItem(attribute)){
            return node.attributes.getNamedItem(attribute).value;
        }
    }else{
        return node.getAttribute(attribute);
    }
};

//With ';'
function addonload(js){
    aefonload += js;
};

function createdw(id, content, classname, dwtitle){
    //Is this ID already created
    try{
        $(id).innerHTML;
        return false;
    }catch(e){ };
    var dw = document.createElement("div");
    dw.id = id;
    dw.className = classname ? classname : "pqr";
    dw.innerHTML = '<table width="100%" cellspacing="0" cellpadding="0" id="'+id+'handle"><tr><td class="dwhl"></td><td align="left" class="dwhc"><b>'+dwtitle+'</b></td><td align="right" class="dwhc"><a href="javascript:hideel(\''+id+'\')"><img src="'+imgurl+'close.gif" alt="" /></a></td><td class="dwhr"></td></tr></table><table width="100%" cellspacing="0" cellpadding="0" class="dwbody"><tr><td>'+content+'</td></tr><tr><td align="left" class="dwb" colspan="2"></td></tr></table>';
    document.body.appendChild(dw);
    Drag.init($(id+'handle'), $(id));
};

function showdw(id){
    $(id).style.left=((getwidth()/2)-($(id).offsetWidth/2))+"px";
    $(id).style.top=(scrolledy()+110)+"px";
    showel(id);
    smoothopaque(id, 0, 100, 10);
};

function domwindow(id, content, classname, dwtitle){
    createdw(id, content, classname, dwtitle);
    showdw(id);
};