var OnMenu=0;
var ActiveMenu='';
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function windowwidth() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  //window.alert( 'Width = ' + myWidth );
  //window.alert( 'Height = ' + myHeight );
  return myWidth;
}

function stillDropMenu()
{
	OnMenu =1;
//	alert('stillDropMenu');
}

function getPosition(obj){
    var topValue= 0,leftValue= 0;
    while(obj){
	leftValue+= obj.offsetLeft;
	topValue+= obj.offsetTop;
	obj= obj.offsetParent;
    }
    finalvalue = leftValue; // + "," + topValue;
    return finalvalue;
}

function showDropMenu(objItem, menuwidth, menuheight)
{
	var menupos = getPosition(document.getElementById(objItem));
	var buttonwidth =  parseInt(document.getElementById(objItem).width);
	var buttonrightpos = buttonwidth + menupos;
//	alert(buttonwidth);

	//alert('\''+  document.getElementById(objItem).x + 'px\'');
	//alert(document.getElementById('homemenu').left);
	var winwidth = windowwidth();
	var websitewidth = 982;
	var centrepoint = winwidth/2;
	var websiterightpos = centrepoint + websitewidth/2;
	//var menuwidth = 250;
	var menurightpos = menupos + menuwidth;
	var menuleftx = menupos;
	//menupos = (menupos/2)-498;

	if (menurightpos > websiterightpos)
	{
		//menurightpos = menurightpos - ( menurightpos - websiterightpos);
		menuleftx = buttonrightpos - menuwidth - 18;
	}
	
	menuleftx = '\''+  menuleftx + 'px\'' ;
	menuheight = '\''+  menuheight + 'px\'' ;
	menuwidth = '\''+  menuwidth + 'px\'' ;

	var objDiv = 'div' + objItem; 
	//alert(objDiv);
	document.getElementById(objDiv).style.left=eval(menuleftx);	
	document.getElementById(objDiv).style.width=eval(menuwidth);	
	document.getElementById(objDiv).style.height=eval(menuheight);	
	document.getElementById(objDiv).style.visibility='visible';
	ActiveMenu = objDiv;
}




function hideDropMenu()
{
	document.getElementById('divAboutAliff').style.visibility='hidden';
	document.getElementById('divServices').style.visibility='hidden';
	document.getElementById('divForStudents').style.visibility='hidden';
	document.getElementById('divCountries').style.visibility='hidden';
	document.getElementById('divMediaEvents').style.visibility='hidden';
	document.getElementById('divContactUs').style.visibility='hidden';

	if( OnMenu == 1 )
	{
		document.getElementById(ActiveMenu).style.visibility='visible';
	}

}