function isChinese(v){//检测全角半角,全角=true,半角=false
	if(/[\x00-\xFF]/.test(v))
		return false;
	else 
		return true;
}

function isChinese_campaign(v){	//检测全角半角,全角=true,半角=false
	v = v.replace(/0/g,'');		// 把数字替换了
	v = v.replace(/1/g,'');
	v = v.replace(/2/g,'');
	v = v.replace(/3/g,'');
	v = v.replace(/4/g,'');
	v = v.replace(/5/g,'');
	v = v.replace(/6/g,'');
	v = v.replace(/7/g,'');
	v = v.replace(/8/g,'');
	v = v.replace(/9/g,'');
	if(/[\x00-\xFF]/.test(v))
		return false;
	else 
		return true;
}

/*

function isEmail(str){//检测邮件地址是否合法
	var myReg = /^[-_A-Za-z0-9\.]+@([_A-Za-z0-9]+\.)+[A-Za-z0-9]{2,15}$/;
	if(myReg.test(str)) return true;
	return false;
}

*/

function isEmail(str){
	var myReg = "@";
	s = str.indexOf(myReg);
	if(s != -1) return true;
	else return false;
}

function isPhone(instr){//检测电话是否合法
    var chars="0123456789";
    var tf= true;
	var ch;
    for (var i=0;i<instr.length;i++){
        ch = instr.charAt(i);
        if (chars.indexOf(ch)==-1){
            tf=false;
            break;
        }
    }
    return tf;
} 
function message(v){
	if(navigator.appName.indexOf("Explorer") > -1 || navigator.appName.indexOf("Explorer")==-1){
		document.getElementById("message").innerHTML=document.getElementById("message").innerHTML + v + "<BR>";
	}else{
		document.getElementById('message').textContent=document.getElementById('message').textContent + v + "<BR>";
	}
	return false;
}

function messageClear(){
	if(navigator.appName.indexOf("Explorer") > -1 || navigator.appName.indexOf("Explorer") == -1){
		document.getElementById("message").innerHTML="";
	}else{
		document.getElementById('message').textContent="";
	}
}
String.prototype.trim = function() 
{ 
	return this.replace(/(^\s*)|(\s*$)|(\s　)/g, ""); 
} 

String.prototype.LTrim = function(){ 
	return this.replace(/(^\s*)/g, ""); 
} 

String.prototype.RTrim = function(){ 
	return this.replace(/(\s*$)/g, ""); 
} 

String.prototype.Trim　= function(){
	// 用正则表达式将前后空格
	// 用空字符串替代。
	var t = this.replace(/(^\s*)|(\s*$)/g, "");
	return t.replace(/(^　*)|(　*$)/g, "");
}

function isInteger(str){
	var regu = /^[-]{0,1}[0-9]{1,}$/;
	return regu.test(str);
}

function KeyDown(str){
	if (event.keyCode == 13){
		if(str.Trim().length==0)event.returnValue=false;
	}
}

function OnlySubOnce(TheFormID){
	document.getElementById('hidden_onlyonce').value = "1";
	document.getElementById(TheFormID).submit();
	if(document.getElementById('button_image'))
		document.getElementById('button_image').disabled = true;
}	
// 只可以提交一次

function ChangeButtonImage(id,id_){
	document.getElementById(id).src='image/'+id_;
}

function ReturnButtonImage(id,id_){
	document.getElementById(id).src='image/'+id_;
}

function cannotonclick(){ 
	if(document.getElementById('frm_myCartshow4').submit)document.getElementById('button_image').disabled=true;
}

function MD5(sMessage) {
function RotateLeft(lValue, iShiftBits) { return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits)); }
function AddUnsigned(lX,lY) {
     var lX4,lY4,lX8,lY8,lResult;
     lX8 = (lX & 0x80000000);
     lY8 = (lY & 0x80000000);
     lX4 = (lX & 0x40000000);
     lY4 = (lY & 0x40000000);
     lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
     if (lX4 & lY4) return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
     if (lX4 | lY4) {
         if (lResult & 0x40000000) return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
         else return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
     } else return (lResult ^ lX8 ^ lY8);
}
function F(x,y,z) { return (x & y) | ((~x) & z); }
function G(x,y,z) { return (x & z) | (y & (~z)); }
function H(x,y,z) { return (x ^ y ^ z); }
function I(x,y,z) { return (y ^ (x | (~z))); }
function FF(a,b,c,d,x,s,ac) {
     a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
     return AddUnsigned(RotateLeft(a, s), b);
}
function GG(a,b,c,d,x,s,ac) {
     a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
     return AddUnsigned(RotateLeft(a, s), b);
}
function HH(a,b,c,d,x,s,ac) {
     a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
     return AddUnsigned(RotateLeft(a, s), b);
}
function II(a,b,c,d,x,s,ac) {
     a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
     return AddUnsigned(RotateLeft(a, s), b);
}
function ConvertToWordArray(sMessage) {
     var lWordCount;
     var lMessageLength = sMessage.length;
     var lNumberOfWords_temp1=lMessageLength + 8;
     var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
     var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
     var lWordArray=Array(lNumberOfWords-1);
     var lBytePosition = 0;
     var lByteCount = 0;
     while ( lByteCount < lMessageLength ) {
         lWordCount = (lByteCount-(lByteCount % 4))/4;
         lBytePosition = (lByteCount % 4)*8;
         lWordArray[lWordCount] = (lWordArray[lWordCount] | (sMessage.charCodeAt(lByteCount)<<lBytePosition));
         lByteCount++;
     }
     lWordCount = (lByteCount-(lByteCount % 4))/4;
     lBytePosition = (lByteCount % 4)*8;
     lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
     lWordArray[lNumberOfWords-2] = lMessageLength<<3;
     lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
     return lWordArray;
}
function WordToHex(lValue) {
     var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
     for (lCount = 0;lCount<=3;lCount++) {
         lByte = (lValue>>>(lCount*8)) & 255;
         WordToHexValue_temp = "0" + lByte.toString(16);
         WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
     }
     return WordToHexValue;
}
     var x=Array();
     var k,AA,BB,CC,DD,a,b,c,d
     var S11=7, S12=12, S13=17, S14=22;
     var S21=5, S22=9 , S23=14, S24=20;
     var S31=4, S32=11, S33=16, S34=23;
     var S41=6, S42=10, S43=15, S44=21;
     // Steps 1 and 2.   Append padding bits and length and convert to words
     x = ConvertToWordArray(sMessage);
     // Step 3.   Initialise
     a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
     // Step 4.   Process the message in 16-word blocks
     for (k=0;k<x.length;k+=16) {
         AA=a; BB=b; CC=c; DD=d;
         a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
         d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
         c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
         b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
         a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
         d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
         c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
         b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
         a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
         d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
         c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
         b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
         a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
         d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
         c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
         b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
         a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
         d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
         c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
         b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
         a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
         d=GG(d,a,b,c,x[k+10],S22,0x2441453);
         c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
         b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
         a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
         d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
         c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
         b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
         a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
         d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
         c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
         b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
         a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
         d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
         c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
         b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
         a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
         d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
         c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
         b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
         a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
         d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
         c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
         b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
         a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
         d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
         c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
         b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
         a=II(a,b,c,d,x[k+0], S41,0xF4292244);
         d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
         c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
         b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
         a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
         d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
         c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
         b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
         a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
         d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
         c=II(c,d,a,b,x[k+6], S43,0xA3014314);
         b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
         a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
         d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
         c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
         b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
         a=AddUnsigned(a,AA); b=AddUnsigned(b,BB); c=AddUnsigned(c,CC); d=AddUnsigned(d,DD);
     }
     // Step 5.   Output the 64 or 128 bit digest
var temp= WordToHex(b)+WordToHex(c);
     //var temp= WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
     return temp.toLowerCase();
}