pic1= new Image(479,242); 
pic1.src="tanzania_safari.jpg"; 
pic2= new Image(479,242); 
pic2.src="southafrica_safari.jpg"; 
pic3= new Image(479,242); 
pic3.src="botswana_safari.jpg"; 
previmg = 'tanzania';
function dotover(imgid) {	
	if(document.getElementById) {
		document.getElementById(previmg).style.visibility = "hidden";
		document.getElementById(imgid).style.visibility = "visible";
		document.getElementById("SAFARI").src  = ''+imgid+'_safari.jpg';
		document.getElementById(''+previmg+'_dest').style.background = "none";
		document.getElementById(''+imgid+'_dest').style.background = "#EAE9BC";
		document.getElementById(''+previmg+'_dest').style.border = "none";
		document.getElementById(''+imgid+'_dest').style.border = "1px solid #5D5040";
		document.getElementById(''+previmg+'_header').style.color = "#5D5040";
		document.getElementById(''+imgid+'_header').style.color = "#516E7F";
		document.getElementById(''+previmg+'_link').style.color = "#5D5040";
		document.getElementById(''+imgid+'_link').style.color = "#516E7F";
	previmg = imgid;
	}
	
}