// Modal Dialog Box
// copyright 8th July 2006 by Stephen Chapman
// http://javascript.about.com/
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (including these
// comments) is used without any alteration

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){
	if($('mbd')==null) {initmb();}
var h='hidden';
var b='block';
var p='px';
var obol=$('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='';
	stop();
}

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;

