var w1, eswin1

function aprifinestra(w,h,url){
     {
	    if (eswin1==1) {
	      w1.close();
		  eswin1=0;}
		
	    ww=w+50
		hw=h+50
	    dimw="width=" + ww + ",height=" + hw; 
		posw="left=100,top=30,screenX=100,screenY=30"
		
		url="./" + url
		
		caratt=dimw +"," + posw + ",scrollbars"
		
	    dimi="width=" + w + ",height=" + h; 
	
		w1 = window.open(url ,"win1", caratt);

	    w1.focus();
	    w1.document.close();
		eswin1=1;
    
		}
}

function chiudifinestra(){
	    if (eswin1==1) {
	      w1.close();
		  eswin1=0;}
}