//***** JavaScript Functions *****//

/*------------------------------------------------------------------------------------
MODULAR VARIABLES
------------------------------------------------------------------------------------*/

var imgExpand = new Image()
imgExpand.src = "images/expand.gif"

var imgCollapse = new Image()
imgCollapse.src = "images/collapse.gif"

var browser = navigator.userAgent.toLowerCase();

/*------------------------------------------------------------------------------------
FUNCTION showHideMenu()
------------------------------------------------------------------------------------*/
function showHideMenu(intId) {
  var arrRows  = document.getElementsByTagName("tr")
  var imgArrow = document.getElementById("menu-arrow-" + intId)

  for (var i = 0; i < arrRows.length; i++) {
    if (arrRows[i].id.substr(0,3) == "m" + intId + ".") {
      arrRows[i].style.display = (arrRows[i].style.display != 'none' ? 'none' : '' )
    }
  }
  
  imgArrow.src = (imgArrow.src != imgExpand.src ? imgExpand.src : imgCollapse.src )
}