function search()
{
	var searchstr = document.getElementById("search1").value;
	if(searchstr == "")
	{
		return;
	}
	var url = "index.jsp?search=" + searchstr;
	location.href = encodeURI(url);
}

function searchdate()
{
	var searchstr = document.getElementById("searchdate").value;
	if(searchstr == "")
	{
		return;
	}
	else
	{
		var yearIndex = searchstr.indexOf("年");
		var monthIndex = searchstr.indexOf("月");
		var dayIndex = searchstr.indexOf("日");
		
		var year = searchstr.substring(0,4);
		var month = searchstr.substring(yearIndex + 1,monthIndex);
		var day = searchstr.substring(monthIndex + 1, dayIndex);
		
		if(month.length == 1)
		{
			month = "0" + month;
		}
		if(day.length == 1)
		{
			day = "0" + day;
		}
		searchstr = year + month + day;
	}
	var url = "index.jsp?date=" + searchstr;
	location.href = encodeURI(url);
}

function changetype()
{
//	var ahref = document.typeform.event.value;
	var ahref = document.getElementById('event').value;
	var url = "index.jsp?type=" + ahref;
	location.href = encodeURI(url);
}

function fenbu()
{
	var element = document.getElementById('zqfb');
	var url = element.options[element.selectedIndex].value;
	window.open(url,"_blank");
}

function changedate(name,first)
{
	var url = "index.jsp?date=" + name + "&datepagenum=" + first;
	location.href = url;
}

function changeplace(name)
{
	var url = "index.jsp?placename=" + name;
	location.href = encodeURI(url);
}

function changedisasterpage(name,type,para,first,searchstr)
{
	if(name == "stop")
	{
		return;
	}
	if(searchstr == "null")
	{
		searchstr = "";
	}
	var url = "index.jsp?disasternum=" + name + "&" + type + "=" + para + "&datepagenum=" + first + "&search=" + searchstr;
	location.href = encodeURI(url);
}

function changesrc(datestr,str)
{
	var ahref = "html/" + datestr + "/" + str + "/" + str + ".htm"
	document.getElementById("picframe").src=ahref;
}

function changedatepage(name)
{
	if(name == "stop")
	{
		return;
	}
	var url = "index.jsp?datepagenum=" + name;
	location.href = url;
}

function change(u) {
	var begin = document.getElementById('begin');
	var begintime = begin.options[begin.selectedIndex].value;
	var end = document.getElementById('end');
	var endtime = end.options[end.selectedIndex].value;
	
	if(begintime > endtime)
	{
		var temp = "";
		temp = begintime;
		begintime = endtime;
		endtime = temp;
	}

	var url = "statistic/" + u + "?begin=" + begintime + "&end=" + endtime;
//alert(url);
	document.getElementById("picframe").src = encodeURI(url);
}

function show_nav_place(id,divid) {
	var n = document.getElementById(id);
	var div = document.getElementById(divid);
	if(n.style.display == "none") {
		n.style.display = "block";
		div.style.backgroundImage = "url('image/collapse.gif')";
	} else if(n.style.display == "block") {
		n.style.display = "none";
		div.style.backgroundImage = "url('image/expand.gif')";
	}
}