/*************************************************************************
  This code is from Dynamic Web Coding at www.dyn-web.com
  Copyright 2001-4 by Sharon Paine 
  See Terms of Use at www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/


function initScrollLayer() {
  var wndo = new dw_scrollObj('wn', 'DIV', 't1');
}

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 initGlideLyr() {
  // exclude op < 7 (???)
  var i, el, ua = navigator.userAgent;
  if ( (i = ua.indexOf("Opera")) != -1 ) { if ( parseFloat(ua.substr(i+6,4)) < 7 ) return; }
  
  var glideLyrs = new Array();
	// arguments: id, amount to be visible (left offset calculated), top
	// set width in style sheet (width and height are null here)
  // duration of glide onscroll, accel (-1 to 1, -1 decelerates)  
  glideLyrs[0] = new Glider('glideDiv0',37,460,null,null,1000, -1);
  
  for (i=0; glideLyrs[i]; i++) {
		// hold amount to be left visible 
		glideLyrs[i].xOff = glideLyrs[i].x;
		if ( !glideLyrs[i].y ) // position based on previous glideLyrs height and position
			if ( glideLyrs[i-1] ) glideLyrs[i].y = glideLyrs[i-1].y + glideLyrs[i-1].h + 2;	
		glideLyrs[i].shiftTo( -(glideLyrs[i].w - glideLyrs[i].xOff), glideLyrs[i].y );
		glideLyrs[i].show();
    el = dynObj.getElemRef( glideLyrs[i].id );
    if (el) {
      el.onmouseover = slideIntoView;
      el.onmouseout = slideOutOfView;
    }
  }  
  
}

function slideIntoView() {
  var glideLyr = dynObj.getInstance(this.id);
  glideLyr.slideTo(0, null, 250, -.8);
}

function slideOutOfView(e) {
  var glideLyr = dynObj.getInstance(this.id);
	e = e? e: window.event;
  var toEl = e.relatedTarget? e.relatedTarget: e.toElement;
  if ( toEl != glideLyr.el && !contained(toEl, glideLyr.el) ) 
	  glideLyr.slideTo( -(glideLyr.w - glideLyr.xOff), null, 300, -.8);
}

// returns true if oNode is contained by oCont (container)
function contained(oNode, oCont) {
  if (!oNode) return; // in case alt-tab away while hovering (prevent error)
  while ( oNode = oNode.parentNode ) if ( oNode == oCont ) return true;
  return false;
}