//메뉴 롤오버
function chg(name,img){ name.src = img;}

function bluring(){ 
     if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") 
     document.body.focus(); 
} 
document.onfocusin=bluring; 


function search_se(){
	var thisform=document.korina;
		if(thisform.search_v.value==""){
			alert("请输入搜索内容");
			thisform.search_v.focus();
			return;
		}
		thisform.action="#";
		thisform.submit();				
}