function enter_as_tab(e){
	if(navigator.appName.indexOf("Netscape")>(-1)){
		if(e.keyCode==13){
			//alert("AA");
			e.keyCode=9;		
			//return true;						
		}
	}
	if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1)){ 
		if(event.keyCode==13) event.keyCode=9;
	}	
	
}
function submitonenter(e, buttonid){		
	//var bt = docdocument.getElementById(buttonid); 
    //if (typeof buttonid == 'object'){ 
       if(navigator.appName.indexOf("Netscape")>(-1)){ 
			if (e.keyCode == 13){ 
				buttonid.click(); 
				return false; 
			}else{
				numbersonly(this, e, false);
				//alert("aaa");
			}
       } 
       if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1)){ 
			if (event.keyCode == 13){ 
				buttonid.click(); 
                return false; 
            }else{
				return numbersonly(this, event, false);
				//alert("aaa");				
			}
       }
     // }     
}
function keepFocused(campo) {
	campo.focus();
}