//show rollovers
function showRollover(la,lb,lc,ld,le,lf,lg){
	document.getElementById("Layer1").style.visibility = la;
	document.getElementById("Layer2").style.visibility = lb;
	document.getElementById("Layer3").style.visibility = lc;
	document.getElementById("Layer4").style.visibility = ld;
	document.getElementById("Layer5").style.visibility = le;
	document.getElementById("Layer6").style.visibility = lf;
	document.getElementById("Layer7").style.visibility = lg;
}

function hideall(){
	document.getElementById("Layer1").style.visibility = "hidden";
	document.getElementById("Layer2").style.visibility = "hidden";
	document.getElementById("Layer3").style.visibility = "hidden";
	document.getElementById("Layer4").style.visibility = "hidden";
	document.getElementById("Layer5").style.visibility = "hidden";
	document.getElementById("Layer6").style.visibility = "hidden";
	document.getElementById("Layer7").style.visibility = "hidden";
}


//document.onload = showRollover('inline','none','none','none','none','none','none');

var xmlHttp

function getBigImage(cat,imid)
{ 

xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="includes/bigimage.php"
url=url+"?imid="+imid
url=url+"&cat="+cat
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=showBigImage
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function showBigImage() {
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
 	document.getElementById("bigimage").innerHTML=xmlHttp.responseText;
}
}

 
 
 function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}