function showHello() {
	var welcomestring;
	var d = new Date();	
	h = d.getHours();
	if(h<6)
		welcomestring="凌晨好";
	else if (h<9)
		welcomestring="早上好";
	else if (h<12)
		welcomestring="上午好";
	else if (h<14)
		welcomestring="中午好";
	else if (h<17)
		welcomestring="下午好";
	else if (h<19)
		welcomestring="傍晚好";
	else if (h<22)
		welcomestring="晚上好";
	else
		welcomestring="夜里好";
	document.write(welcomestring);
}


function trim(str) {
	regExp1 = /^\s*/;
	regExp2 = /\s*$/;
	return str.replace(regExp1,'').replace(regExp2,'');
}

//////////////////////// General text emotion func below ////////////////////////

var Face_Num = 20;

var FaceArray = new Array(Face_Num);

FaceArray[":)"]         = 1;            // 微笑
FaceArray[":P"]         = 2;            // 吐舌头
FaceArray[":V"]         = 3;            // 不支持
FaceArray["8D"]         = 4;            // 耍酷
FaceArray["P~"]         = 5;            // 流口水
FaceArray[":("]         = 6;            // 大哭
FaceArray[":X"]         = 7;            // 亲嘴
FaceArray[":O"]         = 8;            // 吃惊 
FaceArray[":A"]         = 9;            // 天使
FaceArray[":>"]         = 10;           // 不服气 
FaceArray[":D"]         = 11;           // 大笑
FaceArray[":!("]        = 12;           // 愤怒 
FaceArray[":?"]         = 13;           // 疑问
FaceArray[":S"]         = 14;           // 不舒服
FaceArray["|)"]         = 15;           // 睡着了
FaceArray["xx("]        = 16;           // 死翘翘
FaceArray["8)"]         = 17;           // 害羞
FaceArray[":-"]         = 18;           // 闭嘴
FaceArray[":F"]         = 19;           // 郁闷
FaceArray[":$"]         = 20;           // 嘘,安静

var root_path   =       "<img src=images/emo_";
var psuffix     =       ".gif>";

function getFace(idx) {
	document.write(root_path + FaceArray[idx] + psuffix);
}

function doFlatTxt(src) {
	var quote = /(:\)|:P|:V|8D|P~|:\(|:X|:O|:A|:>|:D|:\!\(|:\?|:S|\|\)|xx\(|8\)|:-|:F|:\$)/g;
	var src = src.replace(quote, "<script" + ">getFace('$1')</" + "script>");
	document.write(src);
}

function submitForm( form,action )
{
	form.action = action;
	form.submit();
}