<!-- Start Hiding

//begin layer control script
var layerRef = ""; 
var styleSwitch = "";//variables for bowser choice


function showThisLayer(oldLayer, newLayer){
 hideLayer(eval('"' + oldLayer + '"'));//hiding the current image
 showLayer(eval('"' + newLayer + '"'));//Show the item that the mouse is over
}

function hideLayer(layerID){
eval(layerRef + '["' + layerID + '"]' + styleSwitch + 'visibility="hidden"');
//hidding the current layer that is showing
}

function showLayer(layerID){
eval(layerRef + '["' + layerID + '"]' + styleSwitch + 'visibility="visible"');
//showing the layer that the mouse is over.
}

function init(){
	
	if (bNetscape)
	{
		if (bNetscape_6){
			layerRef = 'document.getElementById(';
	  styleSwitch = ').style.';
		}
		else{
			layerRef = 'document.layers'; 
			styleSwitch = '.';
			//sets up styles for netscape
		}
	}
	else
	{
	  layerRef = 'document.getElementById(';
	  styleSwitch = ').style.';
	}

	showLayer('instruct');
	//showing the first layer
	
}//end of the first function

	browser();
	os();


// Stop hiding-->