// JavaScript Document
function queDesChiffres()
{
	if((event.keyCode < 45 || event.keyCode > 57) &&  event.keyCode != 32 &&  event.keyCode != 8 &&  event.keyCode != 0) 
	{
	event.returnValue = false;
	}
	if((event.which < 45 || event.which > 57)  &&  event.which != 32  &&  event.which != 8  &&  event.which != 0 ) 
	{
	return false;
	}
}