// 页面字体放大
function doZoom(size){
document.getElementById('zoom').style.fontSize=size+'px'
}
var NS4 = (document.layers);
var IE4 = (document.all);
var win = window;
var n   = 0;
function findIt() {
if (searchstr.value != "")
findInPage(searchstr.value);
}


//双击滚屏
var currentpos,timer; 
function initialize() 
{ 
timer=setInterval("scrollwindow()",10);
} 
function sc(){
clearInterval(timer); 
}
function scrollwindow() 
{ 
currentpos=document.body.scrollTop; 
window.scroll(0,++currentpos); 
if (currentpos != document.body.scrollTop) 
sc();
} 
document.onmousedown=sc
document.ondblclick=initialize
//多行文本框字数统计
function gbcount(message,total,used,remain)
{
	var max;
	max = total.value;
	if (message.value.length > max) {
		message.value = message.value.substring(0,max);
		used.value = max;
		remain.value = 0;
		alert("留言不能超过" +max+ "个字!");
		}
	else {
		used.value = message.value.length;
		remain.value = max - used.value;
		}
}
//QQ菜单效果
function showsubmenu(sid)
{
whichel = eval("submenu" + sid);
	if (whichel.style.display == "none")
	{
	eval("submenu" + sid + ".style.display='';");
	}
	else
	{
	eval("submenu" + sid + ".style.display='none';");
	}
}
//超链接不停变色
var rate = 20;
var obj;
var act = 0;
var elmH = 0;
var elmS = 128;
var elmV = 255;
var clrOrg;
var TimerID;
if (navigator.appName.indexOf("Microsoft",0) != -1 && parseInt(navigator.appVersion) >= 4) {
Browser = true;
} else {
Browser = false;
}
if (Browser) {
document.onmouseover = doRainbowAnchor;
document.onmouseout = stopRainbowAnchor;
}
function doRainbow()
{
if (Browser && act != 1) {
act = 1;
obj = event.srcElement;
clrOrg = obj.style.color;
TimerID = setInterval("ChangeColor()",100);
}
}
function stopRainbow()
{
if (Browser && act != 0) {
obj.style.color = clrOrg;
clearInterval(TimerID);
act = 0;
}
}
function doRainbowAnchor()
{
if (Browser && act != 1) {
obj = event.srcElement;
while (obj.tagName != 'A' && obj.tagName != 'BODY') {
obj = obj.parentElement;
if (obj.tagName == 'A' || obj.tagName == 'BODY')
break;
}
if (obj.tagName == 'A' && obj.href != '') {
act = 1;
clrOrg = obj.style.color;
TimerID = setInterval("ChangeColor()",100);
}
}
}
function stopRainbowAnchor()
{
if (Browser && act != 0) {
if (obj.tagName == 'A') {
obj.style.color = clrOrg;
clearInterval(TimerID);
act = 0;
}
}
}
function ChangeColor()
{
obj.style.color = makeColor();
}
function makeColor()
{
if (elmS == 0) {
elmR = elmV; elmG = elmV; elmB = elmV;
}
else {
t1 = elmV;
t2 = (255 - elmS) * elmV / 255;
t3 = elmH % 60;
t3 = (t1 - t2) * t3 / 60;
if (elmH < 60) {
elmR = t1; elmB = t2; elmG = t2 + t3;
}
else if (elmH < 120) {
elmG = t1; elmB = t2; elmR = t1 - t3;
}
else if (elmH < 180) {
elmG = t1; elmR = t2; elmB = t2 + t3;
}
else if (elmH < 240) {
elmB = t1; elmR = t2; elmG = t1 - t3;
}
else if (elmH < 300) {
elmB = t1; elmG = t2; elmR = t2 + t3;
}
else if (elmH < 360) {
elmR = t1; elmG = t2; elmB = t1 - t3;
}
else {
elmR = 0; elmG = 0; elmB = 0;
}
}
elmR = Math.floor(elmR);
elmG = Math.floor(elmG);
elmB = Math.floor(elmB);
clrRGB = '#' + elmR.toString(16) + elmG.toString(16) + elmB.toString(16);
elmH = elmH + rate;
if (elmH >= 360)
elmH = 0;
return clrRGB;
}
//隐藏/显示右边导航菜单
function preloadImg(src)
{
	var img=new Image();
	img.src=src
}
preloadImg("Images/admin_top_open.gif");
var displayBar=false;
function switchBar(obj)
{ if(parent.frame){ if (displayBar)
{
  parent.frame.rows="*,0";
  displayBar=false;
  obj.src="images/footer_31.gif";
  obj.title="显示播放器";
}
else{
  parent.frame.rows="*,25";
  displayBar=true;
  obj.src="images/footer_3.gif";
  obj.title="隐藏播放器";
}
}else
{ obj.title="您正在浏览静音版，收听音乐请切换到音乐版！"
} }