var win=null;
//abre popup com imagem do artigo
function Popup(imURL) { 
	closeWin();
	win = window.open( "popup.html?"+imURL, "Artigo","height=1000,width=1000,top=50,left=150,resizable=no,status=no,toolbar=no,scrollbars=no"); 
	win.focus();  
} 
//fecha popup do artigo
function closeWin(){
	  if(win && ! win.closed && win.open){
		  win.close();
		  win=null;
	  }
}

//popup
var dragswitch=0
var nsx
var nsy
var nstemp
var dragapproved=false

function drag_dropie(){
	if (dragapproved==true){
		document.all.showimage.style.pixelLeft=tempx+event.clientX-iex
		document.all.showimage.style.pixelTop=tempy+event.clientY-iey
		return false
	}
}

function initializedragie(){
	iex=event.clientX
	iey=event.clientY
	tempx=showimage.style.pixelLeft
	tempy=showimage.style.pixelTop
	dragapproved=true
	document.onmousemove=drag_dropie
}
if (document.all){
	document.onmouseup=new Function("dragapproved=false")
}
function hidebox(){
	document.getElementById('showimage').style.visibility = 'hidden';
}