var keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
	 	
 	function smae_decode(m){
 	
 		document.location.href='mailto:' + decode64(m);
 	}
 
	function decode64(input) {
	
		var output = '';
		var chr1, chr2, chr3 = '';
		var enc1, enc2, enc3, enc4 = '';
		var i = 0;
		  
		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, '');
		  
		do {
			enc1 = keyStr.indexOf(input.charAt(i++));
			enc2 = keyStr.indexOf(input.charAt(i++));
			enc3 = keyStr.indexOf(input.charAt(i++));
			enc4 = keyStr.indexOf(input.charAt(i++));
			  
			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;
			  
			output = output + String.fromCharCode(chr1);
			  
			if (enc3 != 64) {
			
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
			
				output = output + String.fromCharCode(chr3);
			}
			  
			chr1 = chr2 = chr3 = '';
			enc1 = enc2 = enc3 = enc4 = '';
		  
		} while (i < input.length);
		      
		return unescape(output);
	}