function submenu(e)
{
    var sub = document.getElementById(e);
            
    if (sub.style.visibility == "visible")
    { 
        sub.style.visibility = "hidden";
        sub.style.position = "absolute";
    }
    else
    {       
        sub.style.visibility = "visible";
        sub.style.position = "relative";
    }
}

var fade = 0;
        

function fadein(p)
{
	var panel = document.getElementById(p);
	
	if (fade < 100)
	{
	
		panel.style.opacity = fade/100;
		panel.style.filter = "alpha(opacity=" + fade + ")";
		fade+=5;
		setTimeout("fadein(" + p + ")",5);	
	}
	else
	{
		fade=0;
	}
}
    
function imgpreview(id,p)
{
	var preview = document.getElementById(id);
	var i = 0;
	
	for (i=0;i<p;i++)
	{
		document.getElementById(i).style.opacity = "0.0";
		document.getElementById(i).style.filter = "alpha(opacity=0)";
		document.getElementById(i).style.visibility = "hidden";
		document.getElementById(i).style.position = "absolute";
		document.getElementById(i).style.width = "0px";
		document.getElementById(i).style.height = "0px";
	}
	
	preview.style.width = "403px";
	preview.style.height = "404px";
	preview.style.visibility = "visible";	
	preview.style.position = "relative";
	fadein(id);
}