var currentindex=1;
function changeflash(i) {	
currentindex=i;
for (j=1;j<=4;j++){
	if (j==i) 
	{$("#flash"+j).fadein("normal");
	$("#flash"+j).css("display","block");
	$("#f"+j).removeclass();
	$("#f"+j).addclass("dq");
	}
	else
	{$("#flash"+j).css("display","none");
	$("#f"+j).removeclass();
	$("#f"+j).addclass("no");}
}}
function startam(){
timerid = setinterval("timer_tick()",2000);
}
function stopam(){
clearinterval(timerid);
}
function timer_tick() {
    currentindex=currentindex>=4?1:currentindex+1;
	changeflash(currentindex);}
$(document).ready(function(){
$(".flash_bar div").mouseover(function(){stopam();}).mouseout(function(){startam();});
startam();
});