$(document).ready(function(){
    $(window).resize(function(){
        if(!$.browser.msie){
	        setBg();
        }
	});
    setBg();
});

function setBg(){
	var ratio = 1600/1030;
	if( $(window).width() / $(window).height() > ratio){
	    $('#background img').css({height: 'auto', width: '100%'});
	}else{
	    $('#background img').css({width: 'auto', height: '100%'});
	}
	$('#background img').css({'display':'block'});
}
function hideDiv() { 
if (document.getElementById) { // DOM3 = IE5, NS6 
document.getElementById('hideshow').style.visibility = 'hidden'; 
} 
else { 
if (document.layers) { // Netscape 4 
document.hideshow.visibility = 'hidden'; 
} 
else { // IE 4 
document.all.hideshow.style.visibility = 'hidden'; 
} 
} 
}

function showDiv() { 
if (document.getElementById) { // DOM3 = IE5, NS6 
document.getElementById('hideshow').style.visibility = 'visible'; 
} 
else { 
if (document.layers) { // Netscape 4 
document.hideshow.visibility = 'visible'; 
} 
else { // IE 4 
document.all.hideshow.style.visibility = 'visible'; 
} 
} 
} 

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}