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;