function disableEnter(e){
	var key;
	if(window.event){key = window.event.keyCode;}
	else{key = e.which;}

	if(key == 13){
	document.sform.sbutton.value='Searching...';
	document.sform.sbutton.disabled='true';
	document.sform.submit();
	document.sform.q.disabled=true;
	return true;}
	else{return true;}
}
function disableForm(){
	document.sform.sbutton.value='Searching...';
	document.sform.sbutton.disabled='true';
	document.sform.submit();
	document.sform.q.disabled=true;
}