function openHideCatalogo(id)
{
    if (document.getElementById(id).style.display=='none'){
        document.getElementById(id).style.display='block';
    }else{
        document.getElementById(id).style.display='none';
    }
    return false;
}

function up() {
var el;				
	if (moveX < 10) {
		inc = inc - 4;
		moveX = moveX + 4;
		if (document.layers) {
			el = document.layers.internalScroller;					
			el.top =moveX;
			el.clip.top = inc;
			el.clip.right = heightClip;
			el.clip.bottom = (inc + heightClip);
			el.clip.left = 0;						
		} else {
			el = document.getElementById("internalScroller");					
			el.style.top = moveX+'px';			
			el.style.clip = "rect(" + inc + "px 680px "+ (inc + heightClip) +"px " + "0px)";						
		}
		el = null;
	}	
}

function down() {
var el;
	if (inc < heightLayer) {
		moveX = moveX - 4;
		inc = inc + 4;
		if (document.layers) {
			el = document.layers.internalScroller;					
			el.top =moveX;
			el.clip.top = inc;
			el.clip.right = heightClip;
			el.clip.bottom = (inc + heightClip);
			el.clip.left = 0;						
		} else {
			el = document.getElementById("internalScroller");

			el.style.top = moveX+'px';
			el.style.clip = "rect(" + inc + "px 680px "+ (inc + heightClip) +"px " + " 0px)";						
		}
		el = null;					
	}									
}

function moveMe(azione) {
	switch (azione) {
		case "up":
			myInterval = window.setInterval('up()',timeScroll)
			break;
		case "down":
			myInterval = window.setInterval('down()',timeScroll)
			break;
		case "stop":
			window.clearInterval(myInterval);
			break;
	 }		
}