var syscurrentpage = 1;
var sysstartpage = 1;
var syspagecount = 13;
var sysallpages = 13;
var isautoplay = false;
function buildturnpage(curpage, key) {
	curpage = parseInt(curpage)
	if (curpage == 0) {
		sysstartpage = 1;
	}

	var allpages = sysallpages;
	
	if (key == 'culture') {
		allpages = 20;
	}else if (key == 'fashion') {
		allpages = 18;
	}else if (key == 'technics') {
		allpages = 12;
	}else if (key == 'school') {
		allpages = 20;
	}
	
	if (curpage > sysstartpage) {
		sysstartpage = 1 + parseInt((curpage-1)/syspagecount) * syspagecount;
	}else if(curpage <= sysstartpage) {
		
		sysstartpage = 1 + parseInt((curpage-1)/syspagecount) * syspagecount;
	}

	if (curpage == allpages) {
		isautoplay = false;
	}
	
	return buildturnpage2(curpage, allpages);
}

function buildturnpage2(curpage, allpages) {
	curpage = parseInt(curpage)
	var t = document.getElementById('systurnpage');
	if (!t) {
		return;
	}
	var s = '';
	
	var p = sysstartpage + syspagecount - 1;
	if (p>allpages) {
		p = allpages
	}

	
	if (allpages > syspagecount) {	
		s = '<img src="/images2/ploceusworld/zuo.jpg" width="9" height="11" border="0" onClick="javascript:setstartpage(-1);">&nbsp;'
	}
	for (var i=sysstartpage; i<=p; i++) {
		if (curpage == i) {
			s = s + '<span class="current">' + i + '</span>';
		}else {
			s = s + '<a href="javascript:void view(' + i + ');" ' + 
					'onMouseOver="javascript:void preview(this,' + i + ')" ' + 
				    'onMouseOut="javascript: void lostpreview();" class=black>' + i + '</a>';
		}
	}
	if (allpages > i) {
		s = s + '&nbsp;<img src="/images2/ploceusworld/you.jpg" width="9" height="11" border="0" onclick="javascript:setstartpage(1);">';
	}
	t.innerHTML = s;
	syscurrentpage = curpage;
	sysallpages = allpages;
}

function setstartpage(mod) {
	sysstartpage = parseInt(sysstartpage);
	syscurrentpage = parseInt(syscurrentpage);
	if (mod == 1 && (sysstartpage < sysallpages)) {
		sysstartpage = sysstartpage + syspagecount;
	}else if(sysstartpage > 1){
		sysstartpage = sysstartpage - syspagecount;
	}
	
	buildturnpage2(syscurrentpage, sysallpages);
}

function first(){
	view(1);
}

function next() {
	syscurrentpage = parseInt(syscurrentpage);
	sysallpages = parseInt(sysallpages);

	if (syscurrentpage >= sysallpages) {
		return;
	}
	view(syscurrentpage + 1);
}

function last() {
	sysallpages = parseInt(sysallpages);
	view(sysallpages);
}

function previous() {
	syscurrentpage = parseInt(syscurrentpage);
	if (syscurrentpage <= 1) {
		return;
	}
	view(syscurrentpage - 1);
}

function preview(obj, cid) {
	var t = getAbsTop(obj);
	var l = getAbsLeft(obj);
	var d = document.getElementById('previewwin');
	
	if (d) {
		
		d.style.display = 'block';
		d.style.top = t - 82;
		d.style.left = l - 60;
		var win = window.frames['winpreview']
		win.location.href = "preview.htm?key=" + channelkey + '&cid=' + cid;
	}
}

function lostpreview() {
	var d = document.getElementById('previewwin');
	if (d) {
		d.style.display = 'none';
	}
}


function gomenu() {
	if (channelkey == 'culture') {
		self.location.href = '/html/world/culture.htm';
	} else if (channelkey == 'fashion') {
		self.location.href = '/html/world/fashion.htm'
	} else if (channelkey == 'technics')  {
		self.location.href = '/html/world/technics.htm';
	} else if (channelkey == 'school')  {
		self.location.href = '/html/world/school.htm'
	} else {
		self.location.href = '/html/world/index.htm';
	}
}

function stopplay() {
	isautoplay = false;
}