var layerStyleRef='';
var layerRef='';
var styleSwitch='';
var screenWidth='';

function ricarica() { window.location.reload(); }
function init() {
	if(navigator.appName=="Netscape" && navigator.appVersion[0]<="4") {
		layerStyleRef="layer.";
		layerRef="document.layers[";
		styleSwitch="]";
		screenWidth=window.innerWidth;
   		setTimeout("window.onresize=ricarica",450);
	} else if (navigator.appName=="Netscape" && navigator.appVersion[0]=="5") {
		layerStyleRef="layer.style.";
		layerRef="document.getElementById(";
		styleSwitch=").style";
		screenWidth=document.body.clientWidth;
		}
	  else if (navigator.appName=="Microsoft Internet Explorer"){
		  re=/MSIE\s5/;
		if (navigator.appVersion.search(re)!=-1){
			layerStyleRef="layer.style.";
			layerRef="document.getElementById(";
			styleSwitch=").style";
	
			 }
		else { 
			layerStyleRef="layer.style.";
			layerRef="document.all[";
			styleSwitch="].style";
			screenWidth=document.body.clientWidth;
			
			 }
   	    }
	  else {
	  	layerStyleRef="layer.style.";
		layerRef="document.getElementById(";
		styleSwitch=").style";

	  }
}



function hideLayer(layerName) {
	eval(layerRef+'"'+layerName+'"'+styleSwitch+'.visibility="hidden"');
}
function hideAll() {
hideLayer('anti');
hideLayer('anti2');	
}

function showLayer(layerName) {
	eval(layerRef+'"'+layerName+'"'+styleSwitch+'.visibility="visible"');
}
function scw(layerName){
    if (layerName=='anti'){
		di=(document.body.clientWidth/2)+40;
		}else{
		di=(document.body.clientWidth/2)+130;
		}
	area=parseInt(di)+"px";
	eval(layerRef+'"'+layerName+'"'+styleSwitch+'.left="'+area+'"');
}
<!--hide this script from non-javascript-enabled browsers
function MM_preloadImages() {
    if (document.images) {
        var imgFiles = MM_preloadImages.arguments;
        if (document.preloadArray == null) {
            document.preloadArray = new Array();
        }
        var i = document.preloadArray.length;
        with (document) {
            for (var j = 0; j < imgFiles.length; j++) {
                if (imgFiles[j].charAt(0) != "#") {
                    document.preloadArray[i] = new Image();
                    document.preloadArray[i++].src = imgFiles[j];
                }
            }
        }
    }
}

function MM_swapImage() {
    var i, j = 0, objStr, obj, swapArray = new Array(), oldArray = document.MM_swapImgData;
    for (i = 0; i < (MM_swapImage.arguments.length - 2); i += 3) {
        objStr = MM_swapImage.arguments[(navigator.appName == "Netscape") ? i : i + 1];
        if ((objStr.indexOf("document.layers[") == 0 && document.layers == null) || (objStr.indexOf("document.all[") == 0 && document.all == null)) {
            objStr = "document" + objStr.substring(objStr.lastIndexOf("."), objStr.length);
        }
        obj = eval(objStr);
        if (obj != null) {
            swapArray[j++] = obj;
            swapArray[j++] = (oldArray == null || oldArray[j - 1] != obj) ? obj.src : oldArray[j];
            obj.src = MM_swapImage.arguments[i + 2];
        }
    }
    document.MM_swapImgData = swapArray;
}

function MM_swapImgRestore() {
    if (document.MM_swapImgData != null) {
        for (var i = 0; i < (document.MM_swapImgData.length - 1); i += 2) {
            document.MM_swapImgData[i].src = document.MM_swapImgData[i + 1];
        }
    }
}

function fin() {
   win = window.open("dettagli.html","","screenx=100;screeny=0,top=0,left=100,toolbar=no,width=700,height=600,directories=no,status=no,scrollbars=yes,resize=no,menubar=no,location=no,copyhistory=no");
     }