// JavaScript Document
    	function ControlloNum(){
			if (navigator.appName.substring(0,9) == "Microsoft"){
				if (!(window.event.keyCode<32 || (window.event.keyCode>=48 && window.event.keyCode<=57))) {
					event.returnValue=false;
				}
	  		}else{
	  			//return false
	  		}
		}