ต้องการให้ป้อนค่าตัวเลขตั้งแต่ 1-5 โดนป้อนเป็นทศนิยมก็ได้ ต้องเขียนอย่างไรครับ

<script language="JavaScript">
	function chkNumber(ele)
	{
	var vchar = String.fromCharCode(event.keyCode);
	if ((vchar<'0' || vchar>'9') && (vchar != '.')) return false;
	ele.onKeyPress=vchar;
	}
</script>

function numberOnly(obj) {
    if (window.event.keyCode) {
        var keyCode = event.keyCode;
        if (obj.value.indexOf('.') != -1 && keyCode == 46) {
            return false;
        }
        //ascw(48) = 0, ascw(52) = 5
        if (keyCode >= 48 && keyCode <= 52 || keyCode == 8 || keyCode == 46 || keyCode == 16 || keyCode == 9 || keyCode == 37) {
            return true;
        }
        return false;
    }
}

function numberOnly(obj) {
    if (window.event.keyCode) {
        var keyCode = event.keyCode;
        if (obj.value.indexOf('.') != -1 && keyCode == 46) {
            return false;
        }
        //ascw(48) = 0, ascw(57) = 9
        if (keyCode >= 48 && keyCode <= 57 || keyCode == 8 || keyCode == 46 || keyCode == 16 || keyCode == 9 || keyCode == 37) {
            var ch = parseFloat(obj.value + String.fromCharCode(keyCode)).toFixed(1); //one decimal place, ex 4.9
            if ((ch > 5.0) || (ch < 1.0)) {
               alert ("Hi over/morethan Hi");
               return false;
            }
            return true;
        }
        return false;
    }
}

<input type="text" id ="morethanword" onkeypress = "return numberonly(this);"></input>

function numberOnly(obj) {
    if (window.event.keyCode) {
        var keyCode = event.keyCode;
        var dotPos = obj.value.indexOf('.');
        if (dotPos != -1 && keyCode == 46) {
            return false;
        } else if (obj.value.substring(dotPos).length > 1) {
            return false;
        }
        //ascw(48) = 0, ascw(57) = 9
        if (keyCode >= 48 && keyCode <= 57 || keyCode == 8 || keyCode == 46 || keyCode == 16 || keyCode == 9 || keyCode == 37) {
            //input text 123 ---> "" + '1' + '2' + '3'
            var ch = parseFloat(obj.value + String.fromCharCode(keyCode)).toFixed(1); //one decimal place, ex 4.9
            if ((ch > 5.0) || (ch < 1.0)) {
               alert ("Hi over/morethan Hi");
               return false;
            }
            return true;
        }
        return false;
    }
}