function exMenu(myName){
	
	imgName=(myName+'img');
	myTree=document.getElementById(myName).style;
	if (myTree.display == 'none'){
		if (oldTree){
			oldTreeStyle=document.getElementById(oldTree).style;
			oldTreeStyle.display = 'none';
			document.images[oldName].src='img/arow1.gif';
		}
		myTree.display = 'block';
		document.images[imgName].src='img/arow2.gif';
		oldTree=myName;
		oldName=myName+'img';
	}
	else{
		myTree.display = 'none';
		document.images[imgName].src='img/arow1.gif';
		oldTree="";
		oldName="";
	}
}


function openWin(myType,myId){
	var winUrl=new Array("presentaion","exnum","product","actus");
	var winWidth=new Array(800,800,640,800);
	var winHeight=new Array(460,460,325,460);
	
	window.open(("popup/"+winUrl[myType]+".php?myId="+myId) ,""+ winUrl[myType],"width=" + winWidth[myType] + ",height=" + winHeight[myType] + ",left=" + (screen.width/2-winWidth[myType]/2) + ",top=" + (screen.height/2-winHeight[myType]/2) + ",scrollbars=no,resizable=no,status=no");
}

function openVideo(myId,fileName,winNum){
	window.open("popup/video.php?myId="+myId+"&fileName="+fileName+"&winNum="+winNum,"video","width=320,height=300,left=" + (screen.width/2-160) + ",top=" + (screen.height/2-150) + ",scrollbars=no,resizable=no,status=no");
}

function closeWin(winName){
	var nvua = navigator.userAgent;
	if (nvua.indexOf('MSIE')>= 0){
		if(nvua.indexOf('MSIE 5.0') == -1) {top.opener = '';}
	}
	else if(nvua.indexOf('Gecko') >= 0){
		top.name=winName;
		wid=window.open('',winName);
	}
	top.close();
}

function change(winName){
	top.mainframe.location.href=winName+'.php';
	top.document.images['titleimg'].src='img/title/'+winName+'.gif';
}