var bo_ns_id = 0;

function startIeFix(){
  if(isIE()){
    document.write('<div style="display: none;" id="bo_ns_id_' + bo_ns_id + '">');
  }
}

function endIeFix(){
  if(isIE()){
    document.write('</div>');
    var theObject = document.getElementById("bo_ns_id_" + bo_ns_id++);
    if(theObject.firstChild.data){
      theObject.firstChild.removeAttribute('data');
    }
    var theParams = theObject.getElementsByTagName("param");
    var theParamsLength = theParams.length;
    for (var j = 0; j < theParamsLength; j++) {
      if(theParams[j].name.toLowerCase() == 'flashvars'){
        var theFlashVars = theParams[j].value;
      }
    }
    var theInnnerHTML = theObject.innerHTML;
    var re = /<param name="FlashVars" value="">/ig;
    theInnnerHTML = theInnnerHTML.replace(re, "<param name='FlashVars' value='" + theFlashVars + "'>");
    theObject.outerHTML = theInnnerHTML;
  }
}

function isIE(){
  var strBrwsr = navigator.userAgent.toLowerCase();
  if(strBrwsr.indexOf("msie") > -1 && strBrwsr.indexOf("mac") < 0){
    return true;
  }else{
    return false;
  }
}

<!-- dropdown menu -->
var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

function changechiimg(idl,mname) {
idl.src="resources/img/"+mname+"_o.gif";
idl.onmouseout=function() {
idl.src="resources/img/"+mname+"_n.gif";
}
}