// Common JavaScript functions
// Last updated 04/03/2010

function togVis(objDiv)  // Toggles visibility of a Div
{
	if(document.getElementById(objDiv))
	{
		var myElement = document.getElementById(objDiv);
		if(myElement.style.display == "block")
		{
			myElement.style.display = "none";
		}
		else
		{
			myElement.style.display = "block";
		}
	}
}

function togVisPlus(objDiv,objImg)  // Toggles visibility of a Div, with Plus/Minus image
{
	if(document.getElementById(objDiv))
	{
		var myElement = document.getElementById(objDiv);    
		if (myElement.style.display == "block")
		{
      myElement.style.display = "none";
      objImg.src = "images/expand.gif";
		}
		else
		{
      myElement.style.display = "block";
      objImg.src = "images/collapse.gif";
		}
	}
}