function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-1); i+=2) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+1];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
    
}

function showdiv(demodiv) 
{ 
			if(demodiv == "q1")
			{
				if(document.getElementById("q1").style.display=="none")
				{
					document.getElementById("q1").style.display="block";
					document.getElementById("q2").style.display="none";
					document.getElementById("q3").style.display="none";
					document.getElementById("q4").style.display="none";
					document.getElementById("q5").style.display="none";
				}
				else
				{
					document.getElementById("q1").style.display="none";
				}
			}
			
			if(demodiv == "q2")
			{
				if(document.getElementById("q2").style.display=="none")
				{
					document.getElementById("q1").style.display="none";
					document.getElementById("q2").style.display="block";
					document.getElementById("q3").style.display="none";
					document.getElementById("q4").style.display="none";
					document.getElementById("q5").style.display="none";
				}
				else
				{
					document.getElementById("q2").style.display="none";
				}
			}
			
			if(demodiv == "q3")
			{
				if(document.getElementById("q3").style.display=="none")
				{
					document.getElementById("q1").style.display="none";
					document.getElementById("q2").style.display="none";
					document.getElementById("q3").style.display="block";
					document.getElementById("q4").style.display="none";
					document.getElementById("q5").style.display="none";
				}
				else
				{
					document.getElementById("q3").style.display="none";
				}
			}
			
			if(demodiv == "q4")
			{
				if(document.getElementById("q4").style.display=="none")
				{
					document.getElementById("q1").style.display="none";
					document.getElementById("q2").style.display="none";
					document.getElementById("q3").style.display="none";
					document.getElementById("q4").style.display="block";
					document.getElementById("q5").style.display="none";
				}
				else
				{
					document.getElementById("q4").style.display="none";
				}
			}
			
			if(demodiv == "q5")
			{
				if(document.getElementById("q5").style.display=="none")
				{
					document.getElementById("q1").style.display="none";
					document.getElementById("q2").style.display="none";
					document.getElementById("q3").style.display="none";
					document.getElementById("q4").style.display="none";
					document.getElementById("q5").style.display="block";
				}
				else
				{
					document.getElementById("q5").style.display="none";
				}
			}
          
} 


var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'none';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}