function more(flag){
	var statu;
	var count;
	var v = document.getElementById(flag).value;
	if(v == "更多"){
		statu = "";
		document.getElementById(flag).value = "折叠";
	}
	else{
		statu = "none";
		document.getElementById(flag).value = "更多";
	}
	if(flag == "tow")count = 3;
	else if(flag == "three")count = 4;
	else if(flag == "four")count = 4;
	else if(flag == "five")count = 2;
	else if(flag == "six")count = 2;
	else if(flag == "seven")count = 1;
	else if(flag == "eight")count = 2;
	for(var i = 1 ;i <=count;i++)
			document.getElementById(flag+i.toString()).style.display=statu;
}