// JavaScript Document


/*
	aImg = new Array ( <%= ArrayImmaginiAnteprima  %> );
	aZoomImg = new Array ( <%= ArrayhRefImmagini  %> );
	aZoomOpen = new Array ( <%= ArrayZoomOpen  %> );
	aMsg = new Array ( <%= ArrayTitolo %> );
	aVisZoom = new Array ( <%= ArrayZoom %> );

	salvavalori = new Array(32)

	var beforeMsg = "";
	var afterMsg = "";

	var ImgNum = 0;
	var ImgLength = aImg.length - 1;

	var changeTextString;
	var changeZoomString;

*/
	

	function chgImg(direction) {
		if (document.images) {
			ImgNum = ImgNum + direction;
			if (ImgNum > ImgLength) ImgNum = 0;
			if (ImgNum < 0) ImgNum = ImgLength;
			document.getElementById('slideshow').src = aImg[ImgNum]
			eval(changeTextString);
	   }
	}
	
	function zoomImg() {
		ZoomIt( aZoomOpen[ImgNum], aZoomImg[ImgNum],0,true);
	}

	function zoomImgDX( pos ) {
		ZoomIt( aZoomOpen[pos], aZoomImg[pos],0,true);
	}
	
	function VisZoom() {
		var sStringa ='';
	    if (document.layers) {
			sStringa='<ilayer id="NS4zoom" height="25" width="100%"><layer id="NS4zoom2" height="25" width="100%">';
		    	sStringa=sStringa + VisZoomDett();
			sStringa=sStringa + '</layer></ilayer>';
			document.write(sStringa)
			changeZoomString = 'var sStringa=VisZoomDett();document.NS4zoom.document.NS4zoom2.document.write(sStringa);'+
			'document.NS4zoom.document.NS4zoom2.document.close()';
			}
		else if (document.getElementById) {
			sStringa=VisZoomDett();
			document.write('<div id="zoom">' + sStringa + '</div>' );
			changeZoomString = 'var sStringa=VisZoomDett(); document.getElementById("zoom").innerHTML = sStringa;';
			}
		else if (document.all) {
			sStringa=VisZoomDett();
			document.write( '<div id="zoom">' + sStringa + '</div>' );
			changeZoomString = 'var sStringa=VisZoomDett(); zoom.innerHTML = sStringa;';
			}
	}
	
	function VisZoomDett() {
		    if (aVisZoom[ImgNum] == 1)
				return('<a href="javascript:zoomImg()"><img src="img/interno/zoom/zoom.gif" alt="Zoom" /><span>zoom</span></a>');
			else
				return ('');
	}

	function writeMsg(){

		if (document.layers) {
			document.write('<ilayer id="NS4message" height="25" width="100%"><layer id="NS4message2" height="25" width="100%">' + aMsg[ImgNum] + '</layer></ilayer>')
			changeTextString = 'document.NS4message.document.NS4message2.document.write(beforeMsg + aMsg[ImgNum] + afterMsg);'+
			'document.NS4message.document.NS4message2.document.close()';
			}
		else if (document.getElementById) {
			document.write(beforeMsg + '<div id="message">' + aMsg[ImgNum] + '</div>' + afterMsg);
			changeTextString = 'document.getElementById("message").innerHTML  = aMsg[ImgNum];';
			}
		else if (document.all) {
			document.write(beforeMsg + '<div id="message">' + aMsg[ImgNum] + '</div>' + afterMsg);
			changeTextString = 'message.innerHTML = aMsg[ImgNum];';
			}
	}