/**
* basic functions for every page on the site
**/
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_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_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 openMenu(menuID,linkObj)
		{
			//if the menu code is ready
			if(um.ready)
			{
				//find co-ordinates of link object
				var coords = {
					'x' : um.getRealPosition(linkObj,'x'),
					'y' : um.getRealPosition(linkObj,'y')
					};
					
				//increase y-position to place it below the link
				//coords.y += (linkObj.offsetHeight + 4);
				coords.y += (linkObj.offsetHeight - 7);
				
				// width
				coords.x += (linkObj.offsetWidth + 20);
				
				//activate menu at returned co-ordinates
				um.activateMenu(menuID, coords.x + 'px', coords.y + 'px');
			}
		}

//close menu with given ID
function closeMenu(menuID)
{
	//if the menu code is ready
	if(um.ready)
	{
		//deactive menu
		um.deactivateMenu(menuID);
	}
}