<!--
// the number you pass to initLeft doesn't matter since it will get
// changed onactivate (id, dir, left, top, width, height)
var myMenu1 = new ypSlideOutMenu("menu1", "down", 0, 132, 260, 30)
var myMenu2 = new ypSlideOutMenu("menu2", "down", 0, 132, 550, 30)
var myMenu3 = new ypSlideOutMenu("menu3", "down", 0, 132, 360, 30)
var myMenu4 = new ypSlideOutMenu("menu4", "down", 0, 132, 155, 30)

// for each menu, we set up the onactivate event to call repositionMenu with the amount offset from center, in pixels
myMenu1.onactivate = function() { repositionMenu(myMenu1, -348); }
myMenu2.onactivate = function() { repositionMenu(myMenu2, -345); }
myMenu3.onactivate = function() { repositionMenu(myMenu3, -150); }
myMenu4.onactivate = function() { repositionMenu(myMenu4, 182); }

// this function repositions a menu to the speicified offset from center
function repositionMenu(menu, offset)
{
// the new left position should be the center of the window + the offset
var newLeft = getWindowWidth() / 2 + offset;

// setting the left position in netscape is a little different than IE
menu.container.style ? menu.container.style.left = newLeft + "px" : menu.container.left = newLeft;
}

// this function calculates the window's width - different for IE and netscape
function getWindowWidth()
{
return window.innerWidth ? window.innerWidth : document.body.offsetWidth;
}	
ypSlideOutMenu.writeCSS();
	
	

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		topnav_home_over = newImage("images/topnav_home-over.gif");
		topnav_about_over = newImage("images/topnav_about-over.gif");
		topnav_contact_over = newImage("images/topnav_contact-over.gif");
		topnav_services_over = newImage("images/topnav_services-over.gif");
		topnav_industries_over = newImage("images/topnav_industries-over.gif");
		topnav_news_over = newImage("images/topnav_news-over.gif");
		topnav_purchasing_over = newImage("images/topnav_purchasing-over.gif");
		topnav_safety_over = newImage("images/topnav_safety-over.gif");
		preloadFlag = true;
	}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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 P7AniMagic(el, x, y, a, b, c, s) { //v2.8 PVII
 var g,elo=el,f="",m=false,d="";x=parseInt(x);y=parseInt(y);
 var t = 'g.p7Magic = setTimeout("P7AniMagic(\''+elo+'\','; 
 if ((g=MM_findObj(el))!=null) {d=(document.layers)?g:g.style;}else{return;}
 if (parseInt(s)>0) {eval(t+x+','+y+','+a+','+b+','+c+',0)",' + s+')');return;}
 var xx=(parseInt(d.left))?parseInt(d.left):0;
 var yy=(parseInt(d.top))?parseInt(d.top):0;
 if(parseInt(c)==1) {x+=xx;y+=yy;m=true;c=0;}
 else if (c==2) {m=false;clearTimeout(g.p7Magic);}
 else {var i=parseInt(a);
  if (eval(g.moved)){clearTimeout(g.p7Magic);}
  if (xx<x){xx+=i;m=true;if(xx>x){xx=x;}}
  if (xx>x){xx-=i;m=true;if(xx<x){xx=x;}}
  if (yy<y){yy+=i;m=true;if(yy>y){yy=y;}}
  if (yy>y){yy-=i;m=true;if(yy<y){yy=y;}}}
 if (m){if((parseInt(navigator.appVersion)>4 || navigator.userAgent.indexOf("MSIE")>-1)&& navigator.userAgent.indexOf("Opera")==-1){
    xx+="px";yy+="px";}
  d.left=xx;d.top=yy;g.moved=true;eval(t+x+','+y+','+a+','+b+','+c+',0)",'+b+')');
  }else {g.moved=false;}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

// -->