var which_part;
var argnum;
var settime;
function over_change_top(val){
	for(var i=0;i<arr2.length;i++){
		for(var j=0;j<arr.length;j++){
			for(var k=1;k<8;k++){
				document.getElementById(arr[j]+k).style.color = "#0860A8";
			}
		}
		if(val==i){
			document.getElementById(arr2[i]).style.background= "url(/images/most_bar_bg3.gif)";
			document.getElementById(arr2[i]).style.color = "#CC0000";
			document.getElementById(arr[i]).style.display = "block";
		}else{
			document.getElementById(arr2[i]).style.background = "url(/images/most_bar_bg2.gif)";
			document.getElementById(arr2[i]).style.color = "#000000";
			document.getElementById(arr[i]).style.display = "none";			
		}	
	}	
	which_part = arr[val];
	clearTimeout(settime);
	argnum = 1;
	mostread_top();
}	

function mostread_top(){
	document.getElementById(which_part+argnum).style.color="#000000";
	if(argnum!=1){ 
		document.getElementById(which_part+(argnum-1)).style.color="#0860A8";
	}else{
	    document.getElementById(which_part+"7").style.color="#0860A8";
	}
	if(argnum++ == 7) argnum=1;
	settime = setTimeout("mostread_top()",2500);
}