// JavaScript Document

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];}
}

$(document).ready(function(){	
	// initialize drop-down menus
    $("ul.sf-menu").superfish({
      delay: 0,
      speed: "fast"
    });
  
    // HACK: SuperFish isn't really designed to support images for menu items, and it doesn't set CSS classes for hardly any elements upon hover.
    //       For text links, a:hover can adjust the styling, but the :hover pseudoselector isn't supported on anything but anchor tags in IE6/IE7.
    //       Thus, we replace "off." with "on." in all background-image styles upon hover.
    $('.sf-menu li').hover(
      function() { $(this).css('background-image', $(this).css('background-image').replace('grey.', 'on.')); },
      function() { $(this).css('background-image', ''); }
    );

	MM_preloadImages('/images/main-nav/solutions-on.gif','/images/main-nav/services-on.gif','/images/main-nav/thought-on.gif','/images/main-nav/company-on.gif');
	
});