var base = "";
var tgt = "";
var txttgt ="";

function areaChange(n){
	if(n){
	//	alert(base+n+".gif");
		if(tgt){
			tgt.setAttribute("src", base+n+".gif");
			txttgt = document.getElementById(n);
			if(!!txttgt){
				txttgt.className = "hover";
			}
		}
	}else {
		if(tgt){
			tgt.setAttribute("src", base+"base.gif");
			if(!!txttgt){
				txttgt.className = "";
			}
		}
	}

}

window.onload = function(){
	tgt = document.getElementById("areaMapImg");
	base = tgt.getAttribute("src",1).replace(/_[a-z]+.gif$/, "_");
//	alert(tgt.src);
}