function foreColor(textid,tdid)
{
  	var arr = showModalDialog("selcolor.html", "", "dialogWidth:18.5em; dialogHeight:17.5em; status:0");
  	if(arr==null)return;
  	if(textid==null)return;
  	textid.value=arr;
	tdid.bgColor=arr;
}

function showDiv(num,isone,istwo)
{
 for(var id = isone;id<=istwo;id++)
 {
  var ss="about"+id;
  var tss="Tabout"+id;
  var nss="aboutnav"+id;
  if(id==num){
	  try{document.getElementById(ss).style.display="block"}catch(e){};
	  try{document.getElementById(tss).style.display="block"}catch(e){};
	  try{document.getElementById(nss).className="active"}catch(e){};
  }else{
	  try{document.getElementById(ss).style.display="none"}catch(e){};
	  try{document.getElementById(tss).style.display="none"}catch(e){};
	  try{document.getElementById(nss).className="noactive"}catch(e){};
  }
 }  
}

function showDivHead(divsub2){
 for(var id = 0;id<=20;id++)
 {
	var ss="sub"+id;
	var nss = "sub0"+id;
	if(ss==divsub2){
		try{document.getElementById(ss).style.visibility="visible"}catch(e){};
		try{document.getElementById(nss).className="unnamed1"}catch(e){};
	}else{
	if(document.getElementById(ss)!='undefined')   
	{
		try{document.getElementById(ss).style.visibility="hidden"}catch(e){};
		try{document.getElementById(nss).className="unnamed3"}catch(e){};
	}    	
  }
 }  
}


var  flag=false;  
function  DrawImage(ImgD,width){  
     var  image=new  Image();  
     image.src=ImgD.src;  
     if(image.width>0 && image.width>width){  
		 flag=true;  
		 if(image.width>width){      
		 ImgD.width=width;  
		 ImgD.height=(image.height*width)/image.width;  
		 }else{  
		 ImgD.width=image.width;      
		 ImgD.height=image.height;  
		 }  
     }  
}


function MM_findObj(n, d) { //v4.0
	var p,i,x;  
	if(!d) d=document; 
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n]; 
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && document.getElementById) x=document.getElementById(n); 
	return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  	if ((obj=MM_findObj(args[i]))!=null) { 
		v=args[i+2];
    	if (obj.style) { 
			obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; 
		}
    	obj.visibility=v;
	}
}

function writeflash( arg ){
	var parm = []
	var _default_version = "8,0,24,0";
	var _default_quality = "high";
	var _default_align = "middle";
	var _default_menu = "false";
	
	for(i = 0; i < arguments.length; i ++){
		parm[i] = arguments[i].split(' ').join('').split('=')
		for (var j = parm[i].length-1; j > 1; j --){
			parm[i][j-1]+="="+parm[i].pop();
		}
		switch (parm[i][0]){
			case '_version' : var _version = parm[i][1] ; break ; 
			case '_swf' : var _swf = parm[i][1] ; break ; 
			case '_base' : var _base = parm[i][1] ; break ; 
			case '_quality' : var _quality = parm[i][1] ; break ; 
			case '_loop' : var _loop = parm[i][1] ; break ; 
			case '_bgcolor' : var _bgcolor = parm[i][1] ; break ; 
			case '_wmode' : var _wmode = parm[i][1] ; break ; 
			case '_play' : var _play = parm[i][1] ; break ; 
			case '_menu' : var _menu = parm[i][1] ; break ; 
			case '_scale' : var _scale = parm[i][1] ; break ; 
			case '_salign' : var _salign = parm[i][1] ; break ; 
			case '_height' : var _height = parm[i][1] ; break ; 
			case '_width' : var _width = parm[i][1] ; break ; 
			case '_hspace' : var _hspace = parm[i][1] ; break ; 
			case '_vspace' : var _vspace = parm[i][1] ; break ; 
			case '_align' : var _align = parm[i][1] ; break ; 
			case '_class' : var _class = parm[i][1] ; break ; 
			case '_id' : var _id = parm[i][1] ; break ; 
			case '_name' : var _name = parm[i][1] ; break ; 
			case '_style' : var _style = parm[i][1] ; break ; 
			case '_declare' : var _declare = parm[i][1] ; break ; 
			case '_flashvars' : var _flashvars = parm[i][1] ; break ; 
			default :;
		}
	}
	var thtml = ""
	thtml += "<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=" + ((_version)?_version:_default_version) + "'"
	if(_width) thtml += " width='" + _width + "'"
	if(_height) thtml += " height='" + _height + "'"
	if(_hspace) thtml += " hspace='" + _hspace + "'"
	if(_vspace) thtml += " vspace='" + _vspace + "'"
	if(_align) thtml += " align='" + _align + "'"
	else thtml += " align='" + _default_align + "'"
	if(_class) thtml += " class='" + _class + "'"
	if(_id) thtml += " id='" + _id + "'"
	if(_name) thtml += " name='" + _name + "'"
	if(_style) thtml += " style='" + _style + "'"
	if(_declare) thtml += " " + _declare
	thtml += ">"
	if(_swf) thtml += "<param name='movie' value='" + _swf + "'>"
	if(_quality) thtml += "<param name='quality' value='" + _quality + "'>" 
	else thtml += "<param name='quality' value ='" + _default_quality + "'>"
	if(_loop) thtml += "<param name='loop' value='" + _loop + "'>"
	if(_bgcolor) thtml += "<param name='bgcolor' value='" + _bgcolor + "'>"
	if(_play) thtml += "<param name='play' value='" + _play + "'>"
	if(_menu) thtml += "<param name='menu' value='" + _menu + "'>"
	else thtml += "<param name='menu' value='" + _default_menu + "'>"
	if(_scale) thtml += "<param name='scale' value='" + _scale + "'>"
	if(_salign) thtml += "<param name='salign' value='" + _salign + "'>"
	if(_wmode) thtml += "<param name='wmode' value='" + _wmode + "'>"
	if(_base) thtml += "<param name='base' value='" + _base + "'>"
	if(_flashvars) thtml += "<param name='flashvars' value='" + _flashvars + "'>"
	thtml += "<embed pluginspage='http://www.macromedia.com/go/getflashplayer'"
	if(_width) thtml += " width='" + _width + "'"
	if(_height) thtml += " height='" + _height + "'"
	if(_hspace) thtml += " hspace='" + _hspace + "'"
	if(_vspace) thtml += " vspace='" + _vspace + "'"
	if(_align) thtml += " align='" + _align + "'"
	else thtml += " align='" + _default_align + "'"
	if(_class) thtml += " class='" + _class + "'"
	if(_id) thtml += " id='" + _id + "'"
	if(_name) thtml += " name='" + _name + "'"
	if(_style) thtml += " style='" + _style + "'"
	thtml += " type='application/x-shockwave-flash'"
	if(_declare) thtml += " " + _declare 
	if(_swf) thtml += " src='" + _swf + "'"
	if(_quality) thtml += " quality='" + _quality + "'"
	else thtml += " quality='" + _default_quality + "'"
	if(_loop) thtml += " loop='" + _loop + "'"
	if(_bgcolor) thtml += " bgcolor='" + _bgcolor + "'"
	if(_play) thtml += " play='" + _play + "'"
	if(_menu) thtml += " menu='" + _menu + "'"
	else thtml += " menu='" + _default_menu + "'"
	if(_scale) thtml += " scale='" + _scale + "'"
	if(_salign) thtml += " salign='" + _salign + "'"
	if(_wmode) thtml += " wmode='" + _wmode + "'"
	if(_base) thtml += " base='" + _base + "'"
	if(_flashvars) thtml += " flashvars='" + _flashvars + "'"
	thtml += "></embed>"
	thtml += "</object>"
	document.write(thtml)
}

function IsDigit(){
	return ((event.keyCode >= 48) && (event.keyCode <= 57));
}

function checkspace(checkstr){
	var str = '';
	for(i = 0; i < checkstr.length; i++){
		str = str + ' ';
	}
	return (str == checkstr);
}

function check_form(){
	if(document.getElementById("webmessage_text_title").value=="") {
		document.getElementById("webmessage_text_title").focus();
		alert("请填写留言主题！");
		return false;
	}
	if(document.getElementById("webmessage_text_name").value=="") {
		document.getElementById("webmessage_text_name").focus();
		alert("请填写您的姓名！");
		return false;
	}
	if(document.getElementById("webmessage_text_tel").value=="") {
		document.getElementById("webmessage_text_tel").focus();
		alert("请填写联系电话！");
	return false;
	}
	if(document.getElementById("webmessage_text_mail").value.length!=0)
	{
		if (document.getElementById("webmessage_text_mail").charAt(0)=="." ||        
			document.getElementById("webmessage_text_mail").value.charAt(0)=="@"||       
			document.getElementById("webmessage_text_mail").value.indexOf('@', 0) == -1 || 
			document.getElementById("webmessage_text_mail").value.indexOf('.', 0) == -1 || 
			document.getElementById("webmessage_text_mail").value.lastIndexOf("@")==document.getElementById("webmessage_text_mail").value.length-1 || 
			document.getElementById("webmessage_text_mail").value.lastIndexOf(".")==document.getElementById("webmessage_text_mail").value.length-1){
				alert("请正确填写电子邮箱！");
				document.getElementById("webmessage_text_mail").focus();
				return false;
		}
	}
	if(document.getElementById("webmessage_text_content").value=="") {
		document.getElementById("webmessage_text_content").focus();
		alert("请填写留言内容！");
	return false;
	}
}