function T(n){
		document.getElementById("ArticleCnt").style.fontSize=n+"px";
		}
function divbgColor(clo){
		document.getElementById('ArticleCnt').style.backgroundColor=clo;
		}


function JugeComment(myform)
{
	if (document.myform.UserName.value==""){
		alert ("你的用户名不可为空！");
		document.myform.UserName.focus();
		return(false);
	}
	if (document.myform.content.value == "")
	{
		alert("评论内容不能为空！");
		document.myform.content.focus();
                return (false);
	}
}
function CheckAll(form) {  
	for (var i=0;i<form.elements.length;i++)  
	{  
		var e = form.elements[i];  
		if (e.name != 'chkall')  
		e.checked = true // form.chkall.checked;  
	}  
} 
 
function ContraSel(form) {
	for (var i=0;i<form.elements.length;i++)
	{
		var e = form.elements[i];
		if (e.name != 'chkall')
		e.checked=!e.checked;
	}
}
function bbimg(o){
	var zoom=parseInt(o.style.zoom, 10)||100;zoom+=event.wheelDelta/12;if (zoom>0) o.style.zoom=zoom+'%';
	return false;
}
function imgzoom(img,maxsize){
	var a=new Image();
	a.src=img.src
	if(a.width > maxsize * 4)
	{
		img.style.width=maxsize;
	}
	else if(a.width >= maxsize)
	{
		img.style.width=Math.round(a.width * Math.floor(4 * maxsize / a.width) / 4);
	}
	return false;
}


//提交搜索表单
function myCheckSearch()
{
	var KeyStr = document.Search_form.keyword.value;
	var Se_Type = document.Search_form.SeTypeTxt.value;
	if (KeyStr == '')
	{
		alert('搜索关键字不能为空！');
		return;
	}
	if (Se_Type == '')
	{
		alert('请选择搜索类型！');
		return;
	}
	document.Search_form.action = document.Search_form.SeTypeTxt.value+document.Search_form.keyword.value
	document.Search_form.submit();
}

//提交登陆表单
function myCheckLogin()
{
	var UserName = document.mytopform.UserName.value;
	var password = document.mytopform.password.value;
	if (UserName == '')
	{
		alert('用户名不能为空！');
		return;
	}
	if (password == '')
	{
		alert('密码不能为空！');
		return;
	}
	document.mytopform.submit();
}
function addBookmark(title) {
                     var url=parent.location.href;
                     if (window.sidebar) { 
                            window.sidebar.addPanel(title, url,""); 
                     } else if( document.all ) {
                     window.external.AddFavorite( url, title);
                     } else if( window.opera && window.print ) {
                     return true;
                     }
       }
function SetHome(obj,vrl){
        try{
                obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
        }
        catch(e){
                if(window.netscape) {
                        try {
                                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
                        }  
                        catch (e) 
 { 
                                alert("抱歉！您的浏览器不支持直接设为首页。请在浏览器地址栏输入“about:config”并回车然后将[signed.applets.codebase_principal_support]设置为“true”，点击“加入收藏”后忽略安全提示，即可设置成功。");  
                        }
                        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                        prefs.setCharPref('browser.startup.homepage',vrl);
                 }
        }
}