// JavaScript Document


function ChangeOverImage(iValue)

{
	if(document.getElementById)

   {  
		if ((iValue == 1))
		{
    		document.getElementById("zoomin").src="images/btn_zoominOver.gif";
			document.getElementById("tooltext").innerHTML="Zoom in";
		}
		if ((iValue == 2))
		{
    		document.getElementById("zoomout").src="images/btn_zoomoutOver.gif";
			document.getElementById("tooltext").innerHTML="Zoom out";
		}
		if ((iValue == 3))
		{
    		document.getElementById("rectangle").src="images/blue_rectangleOver.gif";
			document.getElementById("tooltext").innerHTML="Rectangular zoom";
		}
		if ((iValue == 4))
		{
    		document.getElementById("recentre").src="images/btn_recentreOver.gif";
			document.getElementById("tooltext").innerHTML="Recentre";
		}
		if ((iValue == 5))
		{
    		document.getElementById("original").src="images/btn_originalOver.gif";
			document.getElementById("tooltext").innerHTML="Original map";
		}
   }
}




function RestoreNormalImage(iValue)

{
   if(document.getElementById)

   {  
   if ((iValue == 1) && document.getElementById("SelectedIcon").value != 1)
		{
		document.getElementById("zoomin").src="images/btn_zoomin.gif";
		document.getElementById("tooltext").innerHTML="Please select a button to use.";
		}
	if ((iValue == 2) && document.getElementById("SelectedIcon").value != 2)
		{
    		document.getElementById("zoomout").src="images/btn_zoomout.gif";
			document.getElementById("tooltext").innerHTML="Please select a button to use.";
		}
	if ((iValue == 3) && document.getElementById("SelectedIcon").value != 3)
		{
    		document.getElementById("rectangle").src="images/blue_rectangle.gif";
			document.getElementById("tooltext").innerHTML="Please select a button to use.";
		}
	if ((iValue == 4) && document.getElementById("SelectedIcon").value != 4)
		{
    		document.getElementById("recentre").src="images/btn_recentre.gif";
			document.getElementById("tooltext").innerHTML="Please select a button to use.";
		}
	if ((iValue == 5) && document.getElementById("SelectedIcon").value != 5)
		{
    		document.getElementById("original").src="images/btn_original.gif";
			document.getElementById("tooltext").innerHTML="Please select a button to use.";
		}

   }
}