function treeMenu(id) {
 var disp = document.all(id).style.display;

 if(disp != "none" || disp == "") {
   document.all(id).style.display = "none";
  }
 else {
   document.all(id).style.display = "block";
  }
}
function focusColor(i){
	i.style.borderColor='#7F9DB9';
	i.style.backgroundColor='#FFFFFF';
}
function blurColor(i){
	i.style.borderColor='#CCCCCC';
	i.style.backgroundColor='#F3F3F3';
}



function LinkSelect(form, sel)
{
	c = sel.selectedIndex;
	adrs = sel.options[c].value;
	if (adrs != "-" )
	{
		if ((c == 1) || (c == 2) || (c == 3) || (c == 4) || (c == 5))
		{
			LinkWin=self;
		}else{
			LinkWin=window.open("","NewPage");
		}
		LinkWin.location.href=adrs;
	}
}



ranimg = new Array(); 
ranimg[0]="http://www.tea-sakura.com/images/index/title22.gif";
ranimg[1]="http://www.tea-sakura.com/images/index/title18.gif";   
ranimg[2]="http://www.tea-sakura.com/images/index/title23.gif"; 
xx = Math.floor(ranimg.length*Math.random()); 
ranimg = ranimg[Math.floor(xx)]; 
document.write ('<style type="text/css"><!--#logo {background-image: url("'+ ranimg +'");background-position: center;}--></style>');