function toggle_popup(id){
	var trow = document.getElementById(id);
	if(trow){
		var flag = (trow.className == 'hidden')?'show':'hide';
		if(flag == 'show'){
			trow.className='';
			for (var i=0;i<11;i++)
				setTimeout('setOpacity("'+id+'","'+flag+'",'+i+')',100*i);
		} else{
//			for (var i=0;i<11;i++)
//				setTimeout('setOpacity("'+id+'","'+flag+'",'+i+')',100*i);
		trow.className = 'hidden';
		}
		

	}
}

function setOpacity(id, flag, value){
	var obj = document.getElementById(id);
	if(flag == 'hide') value = 10-value;
	obj.style.opacity = value/10;
	obj.style.filter = "alpha(opacity="+value*10+")";
	//if(obj.style.opacity == 0 && flag == 'hide') obj.className = 'hidden';
}