function searchCheck(){
		var val1 = web.searchkey.value;
		if (CheckStr(val1, " ", "")==0)
		{
			alert("ÇëÊäÈë¹Ø¼ü×Ö£¡");
			web.searchkey.value= "";
			web.searchkey.focus();
			return false;
		}else{
			return true;
		}
	}

	function wordsCheck(){
		var val1 = site.keywords.value;
		if (CheckStr(val1, " ", "")==0)
		{
			alert("ÇëÊäÈë¹Ø¼ü×Ö£¡");
			site.keywords.value= "";
			site.keywords.focus();
			return false;
		}else{
			return true;
		}
	}



	function CheckStr(strOriginal, strFind, strChange){
		var position, strOri_Length;
		position = strOriginal.indexOf(strFind);

		while (position != -1){
			strOriginal = strOriginal.replace(strFind, strChange);
			position    = strOriginal.indexOf(strFind);
		}
		strOri_Length = strOriginal.length;
		return strOri_Length;
	}