function search_onfocus() {
    if (document.getElementById("q").value == "検索...") {
        document.getElementById("q").value = "";
    }
}
function search_onblur() {
    if (document.getElementById("q").value == "") {
        document.getElementById("q").value = "検索...";
    }
}
function submit_check() {
    if (document.getElementById("q").value == "検索...") 
	{
        alert("Please Input Your Keywords.");
		document.getElementById("q").value = "";
    } 
	else {
	document.searchform.submit();}
}

<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->

function change_pic(_this,x){
	_this.src= x;
}

function change_class(_this,x){
	_this.className=x;
}

function change_con(_this,x1,x2){
	if(document.getElementById(x2).style.display=="none"){
		document.getElementById(x2).style.display="";
		document.getElementById(x1).style.display="none";
		_this.src="images/common/arrow_up.gif";
		_this.alt="Shrink";
	}
	else{
		document.getElementById(x2).style.display="none";
		document.getElementById(x1).style.display="";
		_this.src="images/common/arrow_down.gif";
		_this.alt="Expand";
	}
}

function tab_effect(tab,content,x){
	for(i=1;i<=x;i++){
		document.getElementById("tab"+i).className="";
		document.getElementById("content"+i).style.display="none";
	}
	document.getElementById(tab).className="tab_on";
	document.getElementById(content).style.display="";
}

function tab_effect01(tab_x,content_x,x){
	for(i=1;i<=x;i++){
		document.getElementById("tab_x"+i).className="";
		document.getElementById("content_x"+i).style.display="none";
	}
	document.getElementById(tab_x).className="tab_on";
	document.getElementById(content_x).style.display="";
}

function tab_effect02(tab,content,x){
	for(i=1;i<=x;i++){
		document.getElementById("tab0"+i).className="";
		document.getElementById("content0"+i).style.display="none";
	}
	document.getElementById(tab).className="tab_on";
	document.getElementById(content).style.display="";
}


function tab_effects(tab,content,a,b){
	for(i=a;i<=b;i++){
		document.getElementById("tab"+i).className="";
		document.getElementById("content"+i).style.display="none";
	}
	document.getElementById(tab).className="tab_on";
	document.getElementById(content).style.display="";
}

function for_download(but,list){
	if(document.getElementById(list).style.display=="none"){
		document.getElementById(but).src="images/common/download_hover.gif";
		document.getElementById(list).style.display="";
	}
	else{
		document.getElementById(but).src="images/common/download.gif";
		document.getElementById(list).style.display="none";
	}
}

// for family download and buy choose
function choosen(_this){
	document.getElementById("links").href=_this.value;
}
// for all ad
//tab1="tab1";
//content1="content1";
//tab2="tab2";
//content2="content2";

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}