function ucs2decode (string){
		let array = [];
		let counter = 0;
		let length = string.length;
		let value;
		let extra;
		while(counter < length){
			value = string.charCodeAt(counter++);
			if (value >= 0xD800 && value <= 0xDBFF && counter < length){
				extra = string.charCodeAt(counter++);
				if ((extra & 0xFC00) == 0xDC00){ 
					array.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
				}else{
					array.push(value);
					counter--;
				}
			}else{
				array.push(value);
			}
		}
		return array;
    }