// JavaScript Document

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 MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) {
	v=args[i+2];
    if (obj.style) {
	  obj=obj.style;
	  v=(v=='show')?'visible':(v=='hide')?'hidden':v;
	}
    obj.visibility=v; 
  }
}

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];
	}
  }
}

MM_preloadImages('images/nav_btn1_over.gif','images/nav_btn2_over.gif','images/nav_btn3_over.gif','images/nav_btn4_over.gif','images/nav_btn5_over.gif','images/nav_btn6_over.gif','images/sub_nav_bg_over.gif','images/sub_nav_btn1_over.gif','images/sub_nav_btn2_over.gif','images/sub_nav_btn3_over.gif','images/sub_nav_btn4_over.gif','images/sub_nav_btn5_over.gif','images/sub_nav_btn6_over.gif','images/sub_nav_btn7_over.gif','images/sub_nav_btn8_over.gif','images/btn_top_over.gif', 'images/photos/highlight_project1','images/photos/highlight_project2','images/photos/highlight_project3','images/photos/infra_highlight1','images/photos/infra_highlight2','images/photos/infra_highlight3');