<!-- 
function btnOvr(btn){
	btn.className+="over";
	btn.className=btn.className.replace("clk","");
}
function btnOut(btn){
	btn.className=btn.className.replace("over","");
	btn.className=btn.className.replace("clk", "");
}
function btnClk(btn){
	btn.className+="clk";
	btn.className=btn.className.replace("over","");
}
-->