var ImageName;

function visAction(lay)
{   
	ImageName="I"+lay;

	if (document.getElementById([lay]).style.display == "none")
		{
		showlayer(lay);
		}
		else 
		{
		hidelayer(lay);
		}
}

function showlayer(lay)
{
    
	document.getElementById([lay]).style.display = "block";
	document.getElementById("I"+[lay]).setAttribute("src", "/ExternalResources/Media/Images/gifs/squareminus.gif"); 
}

function hidelayer(lay)
{   
	document.getElementById([lay]).style.display = "none";
    document.getElementById("I"+[lay]).setAttribute("src", "/ExternalResources/Media/Images/gifs/squareplusYellow.gif");
}


function togglelayers(JustTheDiv)
{   
    var var_Image = document.getElementById('IDiv0').src;
    var var_stuff = document.images['IDiv0'].src;
    var re = /showall.gif/i;
 if(var_Image.search(re)==-1)
   {
    document.getElementById("IDiv0").setAttribute("src", "/ExternalResources/Media/Images/gifs/squareminus.gif"); 
    hidelayers(JustTheDiv);
    }
    else
    {
    document.getElementById("IDiv0").setAttribute("src", "/ExternalResources/Media/Images/gifs/squareplusYellow.gif"); 
    showlayers(JustTheDiv);    
    }

}
function hidelayers(JustTheDiv)
{
var i=1
var Var_Image
while (document.getElementById([JustTheDiv + i]))
    {
    document.getElementById([JustTheDiv + i]).style.display = "none"; 
    document.getElementById(['I'+JustTheDiv+ i]).setAttribute("src", "/ExternalResources/Media/Images/gifs/squareplusYellow.gif");
    i++;
    }
}

function showlayers(JustTheDiv)
{
var i=1
var Var_Image
while (document.getElementById([JustTheDiv + i]))
    {
    document.getElementById(JustTheDiv + i).style.display = "block"; 
    document.getElementById('I'+JustTheDiv+ i).setAttribute("src", "/ExternalResources/Media/Images/gifs/squareminus.gif"); 
    i++;
    }
}