// JScript File
function checkValue(e) {
var val;
if(typeof e.which != 'undefined') {
	val = e.which;
}
else {
	val = e.keyCode;
}
	switch (val) {
	    case 0: //navigation keys in Mozilla
	    case 8: //backspace
	    case 9: //tab
	    case 13: //enter
	    case 37: // left arrow
	    case 38: // up arrow
	    case 39: // right arrow
	    case 40: // down arrow
	    case 46: // delete
	    case 48: //0
	    case 49: //1
	    case 50: //2
	    case 51: //3
	    case 52: //4
	    case 53: //5
	    case 54: //6
	    case 55: //7
	    case 56: //8
	    case 57: //9
	    case 96: // 0 num
	    case 97: // 1 num
	    case 98: // 2 num
	    case 99: // 3 num
	    case 100: // 4 num
	    case 101: // 5 num
	    case 102: // 6 num
	    case 103: // 7 num
	    case 104: // 8 num
	    case 105: // 9 num
	        return true;
		default:
			return false;
	}
}