function changeColoronFocus(id){
	var obj=document.all && document.all(id)
	|| $ && $(id);
	if(obj) obj.style.background="#F1E2C7";
	focusflg=1;
	}
function changeColoronBlur(id){
	var obj=document.all && document.all(id)
	|| $ && $(id);
	if(obj) obj.style.background="white";
	focusflg=0;
	}


function clearsearchbox(){
	document.searchbox.searchword.value='';
	document.searchbox.searchword.focus();
	}

function amisw(){
	if ($('ami').style.visibility=='visible'){
		$('amiicon').innerHTML='<img src="./img/amiicon0.gif">';
		$('ami').style.visibility='hidden';
		}
	else{
		$('ami').innerHTML='<img src="./img/ami_'+zoom+'.gif">';
		$('amiicon').innerHTML='<img src="./img/amiicon1.gif">';
		$('ami').style.visibility='visible';
		}
	setcookiedata();
	}