//刪除空格
function filtbrandnbsp(txt)
{
	for(var n=0; n<txt.length; n++)
	{
		var strCode = txt.charCodeAt(n);
		
		if( strCode == 13 )
		{
			txt = txt.substring(0,n)+""+txt.substring(n+1);
		}

		if ( strCode == 32 )
		{
			txt = txt.substring(0,n)+""+txt.substring(n+1);
		}
	}

	return txt;
}
//檢索
function search()
{
	var words = document.frmIndex.keywords.value;
	var cluster = location.href.substring(0,location.href.lastIndexOf("/"));
	var clusterid = cluster.substring(cluster.lastIndexOf("/")+1,cluster.length);
	if (filtbrandnbsp(words).length == 0)
	{
		alert("請輸入檢索關鍵字");
		document.frmIndex.keywords.focus();
		return false;
	} else {
	window.open(encodeURI("./front/search/opr_chatsearch.jsp?action=simplesearch&words="+words+"&clusterid="+clusterid), "_blank");
	window.setTimeout("clearkeywords()",3000);
	}
}
//清空檢索詞
function clearkeywords()
{
	var words = document.frmIndex.keywords;
	words.value = "";
	words.focus();
}
//高級檢索
function highsearch()
{
	var cluster = location.href.substring(0,location.href.lastIndexOf("/"));
	var clusterid = cluster.substring(cluster.lastIndexOf("/")+1,cluster.length);
	window.open("./front/search/opr_chatsearch.jsp?clusterid="+clusterid, "_blank");
}
//按回車響應相關事件
function document.onkeydown() 
{ 
	var e = event.srcElement; 
	if (e.id == "keywords"){	//響應檢索事件
		if(event.keyCode==13) 
		{ 
			document.getElementById("is.query").click(); 
			return false; 
		} 
	}
}