function pageWidth() {

    return window.innerWidth != null? window.innerWidth: document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth:document.body != null? document.body.clientWidth:null;}

    

function pageHeight() {

    return window.innerHeight != null? 

        window.innerHeight: 

        document.documentElement && document.documentElement.clientHeight ? 

            document.documentElement.clientHeight:

            document.body != null? 

                document.body.clientHeight:

                null;

}

function posLeft() {

    return typeof window.pageXOffset != 'undefined' ? 

        window.pageXOffset:

        document.documentElement && document.documentElement.scrollLeft? 

            document.documentElement.scrollLeft:

            document.body.scrollLeft? 

                document.body.scrollLeft:

                0;

}

function posTop() {

    return typeof window.pageYOffset != 'undefined' ? 

        window.pageYOffset:

        document.documentElement && document.documentElement.scrollTop? 

            document.documentElement.scrollTop: 

            document.body.scrollTop?

                document.body.scrollTop:

                0;

}

function $(x){

    return document.getElementById(x);

}

function scrollFix(){

    var obol=$('ol');

    obol.style.top=posTop()+'px';

    obol.style.left=posLeft()+'px'

}

function sizeFix(){

    var obol=$('ol');

    obol.style.height=pageHeight()+'px';

    obol.style.width=pageWidth()+'px';

}

function kp(e){

    ky=e?e.which:event.keyCode;

    if(ky==88||ky==120)hm();

    return false

}

function inf(h){

    tag=document.getElementsByTagName('select');

    for(i=tag.length-1;i>=0;i--)

        tag[i].style.visibility=h;tag=document.getElementsByTagName('iframe');

        

    for(i=tag.length-1;i>=0;i--)

        tag[i].style.visibility=h;tag=document.getElementsByTagName('object');

        

    for(i=tag.length-1;i>=0;i--)

        tag[i].style.visibility=h;

}



function sm(obl, wd, ht){

    var h='hidden';

    var b='block';

    var p='px';

    var obol=$('ol');

    var obbxd = $('mbd');

    obbxd.innerHTML = $(obl).innerHTML;

    obol.style.height=pageHeight()+p;

    obol.style.width=pageWidth()+p;

    obol.style.top=posTop()+p;

    obol.style.left=posLeft()+p;

    obol.style.display=b;

    var tp=posTop()+((pageHeight()-ht)/2)-12;

    var lt=posLeft()+((pageWidth()-wd)/2)-12;

    var obbx=$('mbox');

    obbx.style.top=(tp<0?0:tp)+p;

    obbx.style.left=(lt<0?0:lt)+p;

    obbx.style.width=wd+p;

    obbx.style.height=ht+p;inf(h);

    obbx.style.display=b;

    return false;

}

function hm(){

    var v='visible';

    var n='none';

    $('ol').style.display=n;

    $('mbox').style.display=n;

    inf(v);

    document.onkeypress=''

}

function initmb(){

    var ab='absolute';

    var n='none';

    var obody=document.getElementsByTagName('body')[0];

    var frag=document.createDocumentFragment();

    var obol=document.createElement('div');

    obol.setAttribute('id','ol');

    obol.style.display=n;

    obol.style.position=ab;

    obol.style.top=0;

    obol.style.left=0;

    obol.style.zIndex=998;

    obol.style.width='100%';

    frag.appendChild(obol);

    var obbx=document.createElement('div');

    obbx.setAttribute('id','mbox');

    obbx.style.display=n;

    obbx.style.position=ab;

    obbx.style.zIndex=999;

    var obl=document.createElement('span');

    obbx.appendChild(obl);

    var obbxd=document.createElement('div');

    obbxd.setAttribute('id','mbd');

    obl.appendChild(obbxd);

    frag.insertBefore(obbx,obol.nextSibling);

    obody.insertBefore(frag,obody.firstChild);

    window.onscroll = scrollFix;

    window.onresize = sizeFix;

}

window.onload = initmb;