<!--
if (document.images) {

	naturalia01_on = new Image();      
	naturalia01_on.src = "images/1999/natura_01_on.gif"; 
	naturalia01_off = new Image();      
	naturalia01_off.src = "images/1999/natura_01_off.gif";
	naturalia02_on = new Image();      
	naturalia02_on.src = "images/1999/natura_02_on.gif"; 
	naturalia02_off = new Image();      
	naturalia02_off.src = "images/1999/natura_02_off.gif";
	naturalia03_on = new Image();      
	naturalia03_on.src = "images/1999/natura_03_on.gif"; 
	naturalia03_off = new Image();      
	naturalia03_off.src = "images/1999/natura_03_off.gif";
	naturalia04_on = new Image();      
	naturalia04_on.src = "images/1999/natura_04_on.gif"; 
	naturalia04_off = new Image();      
	naturalia04_off.src = "images/1999/natura_04_off.gif";
	naturalia05_on = new Image();      
	naturalia05_on.src = "images/1999/natura_05_on.gif"; 
	naturalia05_off = new Image();      
	naturalia05_off.src = "images/1999/natura_05_off.gif";
	naturalia06_on = new Image();      
	naturalia06_on.src = "images/1999/natura_06_on.gif"; 
	naturalia06_off = new Image();      
	naturalia06_off.src = "images/1999/natura_06_off.gif";
	
	}

	
// Function for activating topbar rollovers
function rolloverOn(imgName) {
		if (document.images) {
	  document[imgName].src = eval(imgName + "_on.src"); }
}
// Function for deactivating topbar rollovers
function rolloverOff(imgName) {
        if (document.images) {
	  document[imgName].src = eval(imgName + "_off.src"); }
}
//-->