// JavaScript Document


//==============================drop menu===============================

var timeout    = 100;
var closetimer = 0;
var ddmenuitem = 0;
function dmenu_open(event)
{  
	var docHeight = $(document).height();
	dmenu_canceltimer();
	dmenu_close();
	if(event.data.obj=="ol")
	{
		ddmenuitem = $(this).find(event.data.obj).css('display','block');
	} 	
	else
	{
		ddmenuitem = $(this).find(event.data.obj).css('display','block').height(docHeight);	
	}
	$(this).find('ul').css('margin-top',$(this).position().top);//對齊<li>坐標
}

function dmenu_close()
{  
	if(ddmenuitem) 
	{
		ddmenuitem.css('display', 'none');
	}
}

function dmenu_timer()
{  
	closetimer = window.setTimeout(dmenu_close, timeout);
}

function dmenu_canceltimer()
{  if(closetimer)
   {  window.clearTimeout(closetimer);
      closetimer = null;
	}
}

//==============================resize layout===============================
function resizable() 
{
	var docHeight = $(document).height();
	//alert(docHeight);
	var sidebarWidth = $("#sidebar_wrap").width();
	$("#sidebar_wrap").css('height',docHeight);
	$("#content_wrap").css('height',docHeight);
	if(sidebarWidth < 198)
	{
		$("#logo").css('width',(sidebarWidth-27)+"px");
	}
	else
	{
		$("#logo").css('width','173px');		
	}
}