function ShowMenuIframe(menuId,submenuId) 
{ 
    // This Iframe is for the header submenyu . show IFRAME     when the page has an IFRAME  . display iframe behind the menu drop down   
    //this iframe is behind the menu
    var ifrm = $("menu_iframe");
    var header = $("nav");
 	  
 	  /* reposition popup */
     var coord = $(menuId).getCoordinates(header);
     var coord2 = $(menuId).getCoordinates(submenuId);
  
    //alert('coord The element is ' + coord.top + ' top and ' + coord.left + 'left.'   + coord.width + 'width.' + coord.height + 'height.' );
   // alert('coord2 The element is ' + coord2.top + ' top and ' + coord2.left + 'left.'   + coord2.width + 'width.' + coord2.height + 'height.' );

    ifrm.style.visibility = "visible";
    //ifrm.allowTransparency = false;
	ifrm.style.left =  coord.left   + "px" ;   
	ifrm.style.top =    coord.top    + "px" ;       
	// reposition modal mask
	ifrm.style.width =  coord2.width   + "px" ;
	ifrm.style.height = coord2.height +  0   + "px" ;
    ifrm.style.frameborder= "0" ;
	ifrm.style.position = "absolute";
	ifrm.style.zIndex = 99;
    ifrm.style.display =  "inline-block"; 

} 

// This Iframe is for the header submenu . show IFRAME 
function showMenu(menuId) 
{    
    
    $(menuId).style.display =  "block"; 
    $(menuId).style.visibility = "visible";
}

function hideMenu(menuId) 
{  
    $(menuId).style.display="none";
 }
function hideMenuIframe(menuId) 
{  
    // HIDE iframe when the page has an IFRAME behind the dropdown menu
    $(menuId).style.visibility="hidden";
   $(menuId).style.display="none";
   
 }
 
function rollBgOver(item) { $(item).className = item + "on"; }
function rollBgOut(item) { $(item).className = item; }

function rollOver(item) { 
/*alert("rollOver:: " + item);
 alert(eval(item + "_on.src"));
 document.images[item].src=eval(item + "_on.src");*/
};

function rollOut(item) {
	/* document.images[item].src=eval(item + ".src");*/
};

if(document.images) 
{
	var invman = new Image(); invman.src = "/img/mast_investment.jpg";
	var invman_on = new Image(); invman_on.src = "/img/mast_investment_selected.jpg";
	var knowcen = new Image(); knowcen.src = "/img/mast_knowledge.jpg";
	var knowcen_on = new Image(); knowcen_on.src = "/img/mast_knowledge_selected.jpg";
}

var curSub;
var curThird;

function showSub(item) 
{
	if (curSub && (item != curSub)) 
	{
		hideSub(curSub);
	}
	curSub = item;
	if($("submenu" + item)) 
	{
		$("submenu" + item).style.display="";
	}
};

function hideSub(item) 
{
	if($("submenu" + item)) 
	{
		$("submenu" + item).style.display="none";
	}
};

function showThird(item) 
{
	if(curThird && (item != curThird)) 
	{
		hideThird(curThird);
	}
	
	curThird = item;
	if($("thirdmenu" + item)) 
	{
		$("thirdmenu" + item).style.display="";
	}
};

function hideThird(item) 
{
	if($("thirdmenu" + item)) 
	{
		$("thirdmenu" + item).style.display = "none";
	}
};

function ToggleList(link)
{
	$(link).getParent().getParent().toggleClass("open_list");	
};


function email_page(url)
{
	var ref = escape(window.parent.parent.location.href);	
	var target = url + ref ;
	window.parent.location = target ;
};

window.addEvent('domready', function()
{
	var submenu = $$("div.submenuitem");
	for(var i=0;i<submenu.length;i++)
	{
		submenu[i].onmouseover = function()
		{
			this.className = "submenuitemon";
		};
			
		submenu[i].onmouseout = function()
		{
			this.className = "submenuitem";
		};
	}
	
});

//adding JavaScript to clear the search form in the header
function clearSearch(deflt) {
    var srch = document.getElementById("hdrSearch");
    if (srch.value == deflt) {
        srch.value = "";
    }
}

function resetSearch(deflt) {
    var srch = document.getElementById("hdrSearch");
    if (srch.value.replace(new RegExp(" ", "g"),'') == "") {
        srch.value = deflt;
    }
}
    
function modClearSearch(textbox,deflt) {
    if (textbox.value == deflt) {
        textbox.value = "";
    }
}

function modResetSearch(textbox,deflt) {
    if (textbox.value.replace(new RegExp(" ", "g"),'') == "") {
        textbox.value = deflt;
    }
}

function enterSubmit(objref,e) {
    var code = e.keyCode || e.which;
	if(code == 13) {
	var value = objref.id.replace(/_/g,"$");
	WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions("'"+ value + "'", "", false, "",base_path+"search/searchresults.aspx", false, false));
	}
}