// convert all characters to lowercase to simplify testing 导航
	var agt=navigator.userAgent.toLowerCase();
	// *** 判断浏览器版本  BROWSER VERSION ***
	// Note: On IE5, these return 4, so use is_ie5up to detect IE5.
	var is_major = parseInt(navigator.appVersion);
	var is_minor = parseFloat(navigator.appVersion);
	// Note: Opera and WebTV spoof Navigator.  We do strict client detection.
	// If you want to allow spoofing, take out the tests for opera and webtv.
	var is_nav     = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1));
	var is_nav2    = (is_nav && (is_major == 2));
	var is_nav3    = (is_nav && (is_major == 3));
	var is_nav4    = (is_nav && (is_major == 4));
	var is_nav4up  = (is_nav && (is_major >= 4));
	var is_navonly = (is_nav && ((agt.indexOf(";nav") != -1) || (agt.indexOf("; nav") != -1)) );
	var is_nav5    = (is_nav && (is_major == 5));
	var is_nav5up  = (is_nav && (is_major >= 5));
	var is_ie    = (agt.indexOf("msie") != -1);
	var is_ie3   = (is_ie && (is_major < 4));
	var is_ie4   = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) );
	var is_ie4up = (is_ie  && (is_major >= 4));
	var is_ie5   = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
	var is_ie5up = (is_ie  && !is_ie3 && !is_ie4);
	// KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
	// or if this is the first browser window opened.  Thus the
	// variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
	var is_aol   = (agt.indexOf("aol") != -1);
	var is_aol3  = (is_aol && is_ie3);
	var is_aol4  = (is_aol && is_ie4);
	var is_opera = (agt.indexOf("opera") != -1);
	var is_webtv = (agt.indexOf("webtv") != -1);
	// *** 判断JS版本  JAVASCRIPT VERSION CHECK ***
	var is_js;
	if (is_nav2 || is_ie3) is_js = 1.0
	else if (is_nav3 || is_opera) is_js = 1.1
	else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2
	else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3
	else if (is_nav5) is_js = 1.4
	// NOTE: In the future, update this code when newer versions of JS
	// are released. For now, we try to provide some upward compatibility
	// so that future versions of Nav and IE will show they are at
	// *least* JS 1.x capable. Always check for JS version compatibility
	// with > or >=.
	else if (is_nav && (is_major > 5)) is_js = 1.4
	else if (is_ie && (is_major > 5)) is_js = 1.3
	// HACK: no idea for other browsers; always check for JS version with > or >=
	else is_js = 0.0;
	// ***判断操作系统类型   PLATFORM ***
	var is_win    = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
	// NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
	//        Win32, so you can't distinguish between Win95 and WinNT.
	var is_win95  = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));
	// is this a 16 bit compiled version?
	var is_win16  = ((agt.indexOf("win16")!=-1) || (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("windows 16-bit")!=-1) );  
	var is_win31  = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) || (agt.indexOf("windows 16-bit")!=-1));
	// NOTE: Reliable detection of Win98 may not be possible. It appears that:
	//       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
	//       - On Mercury client, the 32-bit version will return "Win98", but
	//         the 16-bit version running on Win98 will still return "Win95".
	var is_win98  = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
	var is_winnt  = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
	var is_win32  = (is_win95 || is_winnt || is_win98 || ((is_major >= 4) && (navigator.platform == "Win32")) || (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));
	var is_os2    = ((agt.indexOf("os/2")!=-1) || (navigator.appVersion.indexOf("OS/2")!=-1) || (agt.indexOf("ibm-webexplorer")!=-1));
	var is_mac    = (agt.indexOf("mac")!=-1);
	var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || (agt.indexOf("68000")!=-1)));
	var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || (agt.indexOf("powerpc")!=-1)));
	var is_sun      = (agt.indexOf("sunos")!=-1);
	var is_sun4     = (agt.indexOf("sunos 4")!=-1);
	var is_sun5     = (agt.indexOf("sunos 5")!=-1);
	var is_suni86   = (is_sun && (agt.indexOf("i86")!=-1));
	var is_irix     = (agt.indexOf("irix") !=-1);    // SGI
	var is_irix5    = (agt.indexOf("irix 5") !=-1);
	var is_irix6    = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
	var is_hpux     = (agt.indexOf("hp-ux")!=-1);
	var is_hpux9    = (is_hpux && (agt.indexOf("09.")!=-1));
	var is_hpux10   = (is_hpux && (agt.indexOf("10.")!=-1));
	var is_aix      = (agt.indexOf("aix") !=-1);      // IBM
	var is_aix1     = (agt.indexOf("aix 1") !=-1);    
	var is_aix2     = (agt.indexOf("aix 2") !=-1);    
	var is_aix3     = (agt.indexOf("aix 3") !=-1);    
	var is_aix4     = (agt.indexOf("aix 4") !=-1);    
	var is_linux    = (agt.indexOf("inux")!=-1);
	var is_sco      = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
	var is_unixware = (agt.indexOf("unix_system_v")!=-1); 
	var is_mpras    = (agt.indexOf("ncr")!=-1); 
	var is_reliant  = (agt.indexOf("reliantunix")!=-1);
	var is_dec      = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); 
	var is_sinix    = (agt.indexOf("sinix")!=-1);
	var is_freebsd  = (agt.indexOf("freebsd")!=-1);
	var is_bsd      = (agt.indexOf("bsd")!=-1);
	var is_unix     = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || is_sco ||is_unixware || is_mpras || is_reliant || is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);
	var is_vms      = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1));
var usernameSwf = new Object();
InternetExplorer = navigator.appName.indexOf("Microsoft") != -1;
var layer= new String();
var style= new String();
var i, current;
var running = 0;
//浏览器对层的支持   browser check for layers
if (is_nav5up){	
	style=".style";
}else if (is_nav4){	
	layer=".layers";
	style="";
}else if (is_ie4up){
	layer=".all";
	style=".style";
}	
function rollOut(name,flg){
	hidelayer();
	changeState(name,'visible');
	
	reset_bg();
	//alert(name);
	//alert(flg);
	set_bg(name+"0", flg);
}

function rollOver(name,flg){
	hidelayer();
	changeState(name,'visible');
	
	reset_bg();
	//alert(name);
	//alert(flg);
	set_bg(name+"0", flg);
}

// 层的动作
function rollOut(name){
	var loImage;
	var chkImage;
	layerRef=name;
	if ((is_nav4) || (is_ie4up)){
		lyr="document"+layer+"['"+layerRef+"']"+style+".visibility";
	}else if (is_nav5up){
		lyr="document.getElementById('"+layerRef+"').style.visibility";
	}
}
var n,i,startLeft,endLeft;
var moveX = new Array(1.00, 0.85, 0.64, 0.48, 0.37, 0.28, 0.21, 0.16, 0.12, 0.09, 0.068, 0.05, 0.036, 0.022, 0.01, 0.001, 0.00);
//var moveX = new Array(16, 15, 14,13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0.00);
function changeState(layerRef,state){
	if (is_nav5up){
		evallayer="document.getElementById('"+layerRef+"').style.visibility='"+state+"'";
	}else{
		evallayer="document"+layer+"['"+layerRef+"']"+style+".visibility='"+state+"'";
	}
	if(current != layerRef){
		current = layerRef;
		running = 1;
		n = 1;
		i = -500;//层移动进入画面开始的位置：+数可以显示出回弹效果，-数则直接从左到右进入
		startLeft =500;//层移动开始的位置：与层移动结束后的相对长度XXXpx位置
		endLeft = (document.body.clientWidth-500)/2-1;//层移动结束后的位置：距离右边距XXXpx

		eval(evallayer);
		moveLayer(i,layerRef);	
	}else{
		eval(evallayer);
	}	
}
function moveLayer(i,layerRef){
	if (is_nav5up){
		evallayer="document.getElementById('"+layerRef+"').style.left="-i;
	}else{
		evallayer="document"+layer+"['"+layerRef+"']"+style+".left="+i;
	}
	if((i<endLeft) && (running==1) && (current==layerRef)){
		n++;
		i = +(startLeft*moveX[n])-endLeft;//这两个参数的+ -决定了移动的方向，还要配合function changeState(layerRef,state)参数
		eval(evallayer);
		setTimeout('moveLayer('+i+',"'+layerRef+'")',75);//最后这个参数为移动速度，越大越慢
	}else if((running==1) && (current==layerRef)){
		running = 0;
	}
}	
function hidelayer(){
	if (is_nav5up){
		eval("document.getElementById('m00').style.visibility='hidden'");
		//document.getElementById('m00').innerHTML = "股股";
		//eval("document.getElementById('m01').style.visibility='hidden'");
		//eval("document.getElementById('m02').style.visibility='hidden'");
		//eval("document.getElementById('m03').style.visibility='hidden'");
		//eval("document.getElementById('m04').style.visibility='hidden'");
		//eval("document.getElementById('m05').style.visibility='hidden'");
		//eval("document.getElementById('m06').style.visibility='hidden'");
		//eval("document.getElementById('m07').style.visibility='hidden'");
	}else{	
		eval("document"+layer+"['m00']"+style+".visibility='hidden'");
		//document.getElementById('m0000').innerHTML = "股股";
	//	marqueedivcontrol.innerHTML="<a href='sdsd.swf' target='_blank' style='CURSOR: hand'><img class=image height=50 hspace=1 onMouseOver='showtrail('MSClass (Class Of Marquee Scroll通用不间断滚动JS封装类) Ver 1_6 程序制作-版权所有崔永祥(333).files/yaode.gif','1','中国电信集团公司是按国家电信体制改革方案组建的特大型国有通信企业，于2002年5月重组挂牌成立。通过近一年时间，正邦品牌识别设计公司',180,250)' onMouseOut=hidetrail() alt=点击查看大图 src='MSClass (Class Of Marquee Scroll通用不间断滚动JS封装类) Ver 1_6 程序制作-版权所有崔永祥(333).files/yaode.gif' border=0 width=150></a>";
		//eval("document"+layer+"['m01']"+style+".visibility='hidden'");
		//eval("document"+layer+"['m02']"+style+".visibility='hidden'");
		//eval("document"+layer+"['m03']"+style+".visibility='hidden'");
		//eval("document"+layer+"['m04']"+style+".visibility='hidden'");
		//eval("document"+layer+"['m05']"+style+".visibility='hidden'");
		//eval("document"+layer+"['m06']"+style+".visibility='hidden'");
		//eval("document"+layer+"['m07']"+style+".visibility='hidden'");
	}
}
function set_bg(name, bg){
	//alert(name);
	eval("document.all[\""+name+"\"]").className = bg;
}
function reset_bg(){
	for(i=0 ; i<1 ; i++){
		set_bg("m0" + i + "0", 'bg1');
	}
}