function md5(p){
	var str=String(p);
	var nlen=((((str.length+8)/64)|0)+1)*64-8;
	var nblock=(nlen/4+2)|0;
	var ncircle=(nblock/16)|0;
	var hex=new Function("num","var dig=\"0123456789abcdef\";var tmp=new String;for(var i=3;i>=0;i--){var nn1=(num>>>(i*8))&0xf;var nn2=(num>>>(i*8+4))&0xf;tmp=\"\"+dig.substr(nn2,1)+dig.substr(nn1,1)+tmp;}return tmp;");
	var FN=new Array(
		new Function("fa","fb","fc","fd","fm","fs","ft","var sa=fa + ((fb&fc)|((~fb)&fd)) + fm + ft;var sr=(sa<<fs)|(sa>>>(32-fs));return (fb+sr)|0;"),
		new Function("fa","fb","fc","fd","fm","fs","ft","var sa=fa + ((fb&fd)|(fc&(~fd))) + fm + ft;var sr=(sa<<fs)|(sa>>>(32-fs));return (fb+sr)|0;"),
		new Function("fa","fb","fc","fd","fm","fs","ft","var sa=fa + (fb^fc^fd) + fm + ft;var sr=(sa<<fs)|(sa>>>(32-fs));return (fb+sr)|0;"),
		new Function("fa","fb","fc","fd","fm","fs","ft","var sa=fa + (fc^(fb|(~fd))) + fm + ft;var sr=(sa<<fs)|(sa>>>(32-fs));return (fb+sr)|0;")
	);
	var aarr=new Array(
		0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
		0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
		0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa, 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
		0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed, 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
		0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c, 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
		0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05, 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
		0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
		0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
	);
	var ind=new Array(
		0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
		1,  6, 11,  0,  5, 10, 15,  4,  9, 14,  3,  8, 13,  2,  7, 12,
		5,  8, 11, 14,  1,  4,  7, 10, 13,  0,  3,  6,  9, 12, 15,  2,
		0,  7, 14,  5, 12,  3, 10,  1,  8, 15,  6, 13,  4, 11,  2,  9
	);
	var sarr=new Array( 7, 12, 17, 22, 5, 9, 14, 20, 4, 11, 16, 23, 6, 10, 15, 21);

	var A=new Array( 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476);

	var a=new Array();
	var len=str.length;
	str=str+"\x80";
	for(var i=0;i<nlen-len;i++)str=str+"\x00";
	var m=new Array();
	for(var i=0;i<nlen/4;i++)m[i]=(str.charCodeAt(i*4)<<0)+(str.charCodeAt(i*4+1)<<8)+(str.charCodeAt(i*4+2)<<16)+(str.charCodeAt(i*4+3)<<24);
	m[nblock-2]=len*8;
	m[nblock-1]=0;
	for(var n=0;n<ncircle;n++){
		for(var i=0;i<4;i++)a[i]=A[i];
		for(var i=0;i<64;i++){
			a[(64-i)%4]=(FN[i>>4])(
				a[(64-i)%4],
				a[(65-i)%4],
				a[(66-i)%4],
				a[(67-i)%4],
				m[n*16+ind[i]],
				sarr[(i%4)+(i>>>4)*4],
				aarr[i]
			);
		}
		for(var i=0;i<4;i++)A[i]=(A[i]+a[i])|0;
	}
	return ( "" + hex(A[0]) + hex(A[1]) + hex(A[2]) + hex(A[3]) );
}