function isNumeric(e){
	
	var k = RLdesign.Utils.DefineEventKeyCode(e);
	
	var returnCode = false;
	
	if(k == 8 || k == 9 || k == 13 || k == 46 || k == 110 || k == 188){
		returnCode = true;
	}
	
	if(k >= 35 && k <= 40){
		returnCode = true;	
	}
	
	if(k >= 48 && k <= 57){
		returnCode = true;
	}
	
	if(k >= 96 && k <= 105){
		returnCode = true;
	}
	
	
	return returnCode;
	
}