function MM_preloadImages(pre_images) { //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=pre_images; 
    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 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 reposition_layers(base_lay,offset){
  var basePos=findPos(base_lay);
  var start_top=basePos[1]; //finding y

  var bw=new checkBrowser();

  var current_obj;
  for(i=1;i<8;i++){
    var div_name="navmenu"+ i;
    current_obj = bw.ie4?document.all[div_name]:document.getElementById(div_name);
    
    current_obj.style.top=start_top + offset;
    //current_obj.style.visibility='visible';
  }
  //alert("start "+start_top);
}

function toggle_layer(layer_n,tog){
  var bw=new checkBrowser();
  var current_obj;
 
  current_obj = bw.ie4?document.all[layer_n]:document.getElementById(layer_n);
  if(tog){
    current_obj.style.visibility='visible';
  }else{
     current_obj.style.visibility='hidden';
  }
}

function change_color(layer_n,tog){
  var bw=new checkBrowser();
  var current_obj;

  current_obj = bw.ie4?document.all[layer_n]:document.getElementById(layer_n);
  if(tog){
    current_obj.style.backgroundColor='gray';
  }else{  	
    current_obj.style.backgroundColor='#F77F00';
  }
}

function findPos(layer_name){
  var bw=new checkBrowser();

  if(bw.ns4){   
    x = document.layers[layer_name].pageX
    y = document.layers[layer_name].pageY
  }else{ //other browsers
    x=0; y=0; var el,temp
    el = bw.ie4?document.all[layer_name]:document.getElementById(layer_name);
    if(el.offsetParent){
      temp = el
      while(temp.offsetParent){ //Looping parent elements to get the offset of them as well
        temp=temp.offsetParent;
        x+=temp.offsetLeft
        y+=temp.offsetTop;
      }
    }
    x+=el.offsetLeft
    y+=el.offsetTop
  }
  //Returning the x and y as an array
  return [x,y]
}

function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}