function flash(s,w,h,b,v){
	document.write('<object type="application/x-shockwave-flash" data="'+s+'" width="'+w+'" height="'+h+'">\n');
	document.write('<param name="movie" value="'+s+'" />\n');
	document.write('<param name="bgcolor" value="'+b+'" />\n');
	document.write('<param name="wmode" value="transparent">\n');
	if(v!=''){
		document.write('<param name="FlashVars" value="'+v+'">\n');
	}
	document.write('</object>\n');
}

function submenuopen(id_elem){
	if(document.getElementById(id_elem).style.display == 'block'){
		document.getElementById(id_elem).style.display = 'none';
	}else{
		document.getElementById(id_elem).style.display = 'block';
	}
}


function slidebackground(){
	if(document.getElementById('col_2').style.backgroundPosition == '0px 0px'){
		document.getElementById('col_2').style.backgroundPosition = $i+'px 0px';
		document['freccia'].src='/images/prev.jpg';
	}else{
		document.getElementById('col_2').style.backgroundPosition = '0px 0px';
		document['freccia'].src='/images/next.jpg';
	}
}

function vigneti(id_elem){
	if(document.getElementById(id_elem).style.display == 'block'){
		document.getElementById(id_elem).style.display = 'none';
	}else{
		document.getElementById(id_elem).style.display = 'block';
	}
}


if( document.captureEvents && Event.KEYUP ) {
  document.captureEvents( Event.KEYUP );
}
document.onkeyup = alertkey;

function alertkey(e) {
	if( !e ) {
		if( window.event ) {
			e = window.event;
		}else{
			return;
		}
	}
	if( typeof( e.keyCode ) == 'number'  ) {
		e = e.keyCode;
	} else if( typeof( e.which ) == 'number' ) {
		e = e.which;
	} else if( typeof( e.charCode ) == 'number'  ) {
		e = e.charCode;
	} else {
		return;
	}

	var prev_img = document.getElementById("prev_img");
	var next_img = document.getElementById("next_img");
	var zoom_img = document.getElementById("zoom_img");
	var close_img = document.getElementById("close_img");

	if(e == 37 && prev_img!=null){
		window.location.href = document.getElementById("prev_img").href;
	}
	if(e == 38 && zoom_img!=null){
		window.location.href = document.getElementById("zoom_img").href;
	}
	if(e == 39 && next_img!=null){
		window.location.href = document.getElementById("next_img").href;
	}
	if(e == 40 && close_img!=null){
		window.location.href = document.getElementById("close_img").href;
	}
}