function RemoveBlank(str)
{
	var strRes = str;
	if ( strRes == "" )
	{
		return strRes;
	}
	strRes = strRes.replace(/\ /g,"");
	strRes = strRes.replace(/\n/g,"");
	strRes = strRes.replace(/\t/g,"");
	return strRes;
}

function IsEmail( sEmail )
{
	var patten = /^[-_A-Za-z0-9]+@([_A-Za-z0-9]+\.)+[A-Za-z0-9]{2,3}$/;
	return patten.test(sEmail);

}

function GetID(ID)
{
	return document.getElementById(ID);
}

function GetIDValue(ID)
{
	return document.getElementById(ID).value;
}

function SetIDValue(ID,str)
{
	document.getElementById(ID).value = str;
}

function GetInnerHTML(ID)
{
	return document.getElementById(ID).innerHTML;
}

function InnerHTML(ID,str)
{
	document.getElementById(ID).innerHTML = str;
}

function ShownHiddenID(ID,str)
{
	var objID = GetID(ID);
	if ( objID==null )
	{
		return false;
	}
	objID.style.display = str;
}


function GetShownHiddenID(ID)
{
	var objID = GetID(ID);
	if ( objID==null )
	{
		return false;
	}
	return objID.style.display;
}

function ChangeFontSize( ID, iSize )
{
	var obj = GetID( ID );
	if ( obj!=null )
	{
		obj.style.fontSize = iSize;
	}
}

function CheckCMT( obj )
{
	if ( RemoveBlank(obj.UserName.value)=="" )
	{
		alert( "评论人不能为空!" );
		obj.UserName.focus();
		return false;
	}
	if ( !IsEmail(obj.UserEmail.value) )
	{
		alert( "Email地址错误!" );
		obj.UserEmail.focus();
		return false;
	}
	if ( RemoveBlank(obj.Title.value)=="" )
	{
		alert( "评论标题不能为空!" );
		obj.Title.focus();
		return false;
	}

	var iLen = 200
	var sContent = RemoveBlank(obj.Content.value);
	if ( (sContent.length>iLen) || (sContent.value==""))
	{
		alert( "请将评论控制在"+ iLen +"个字符内!" );
		obj.Content.focus();
		return false;
	}

	obj.submit();
}

function SHCMTList( ID )
{
	var sRes = GetShownHiddenID(ID)
	if ( sRes=="none" )
	{
		sRes = "";
	}
	else
	{
		sRes = "none";
	}
	ShownHiddenID(ID,sRes)
}

function ChangeSNav( ID )
{
	for ( var i=0; i<3; i++ )
	{
		if ( ID==i )
		{
			SHSNav( "ID_"+i,"lzST" );
			ShownHiddenID( "IDB_"+i,"" );
		}
		else
		{
			SHSNav( "ID_"+i,"lzST1" );
			ShownHiddenID( "IDB_"+i,"none" );
		}
	}
}

function SHSNav( ID,sClass )
{
	var objID = GetID( ID );
	objID.className = sClass;
}


///////////////////////////////////////
function SOption()
{
	var aSite = new Array();
	aSite[0] = "本站搜索|news3.asp?k=";
	aSite[1] = "百度搜索|http://www.baidu.com/s?wd=";
	aSite[2] = "google搜索|http://www.google.com/search?q=";

	var sRes = "";
	for ( var i=0; i<aSite.length; i++ )
	{
		var arr = aSite[i].split("|");
		//sRes = sRes +"<option value='"+arr[1]+"'>"+arr[0]+"</option>";
		sRes = sRes +"<option value='"+i+"'>"+arr[0]+"</option>";
	}
	sRes = "<select id='ID_SO'>"+sRes+"</select>";
	document.write( sRes );
}
//function Search(sKey,sUrl,iID)
function Search(sKey,iID)
{
	//sKey = RemoveBlank( sKey );
	if ( sKey!="" )
	{
		//window.open( sUrl+sKey );
		window.open( "search.asp?sUrl="+iID+"&sKey="+sKey );
	}
}



///////////////////////////////////////