function navLoadHome() {

var navPicts=new Array("what","what_roll", "where", "where_roll", "loop", "loop_roll", "news", "news_roll", "contact", "contact_roll")

if (document.images) {
var pre=new Array()
for (var x=0; x<=9; x++){

pre[x] =new Image()
pre[x].src="images/home/" + navPicts[x] + ".gif"
}
}



}



function navLoad() {

var navPicts=new Array("home", "home_roll","what", "what_roll", "where", "where_roll", "closed", "closed_roll",  "news", "news_roll", "contact", "contact_roll")

if (document.images) {
var pre=new Array()
for (var x=0; x<=11; x++){

pre[x] =new Image()
pre[x].src="images/nav/" + navPicts[x] + ".gif"
}
}



}





function navRollHome (image_name) {
	if (document.images) {
	document.images[image_name].src='images/home/' + image_name + '_roll.gif';
	}
}
	
function navNormalHome (image_name) {
		if (document.images) {
		document.images[image_name].src='images/home/' + image_name + '.gif';
	}
}



function navRoll (image_name) {
	if (document.images) {
	document.images[image_name].src='images/nav/' + image_name + '_roll.gif';
	}
}
	
function navNormal (image_name) {
		if (document.images) {
		document.images[image_name].src='images/nav/' + image_name + '.gif';
	}
}





function validatePin(field,alerttxt)
{
with (field)
{
  if (value==null||value=="")
  {
  alert(alerttxt);return false;
  }
  else
  {
  return true;
  }
}
}




function openPop(URL) {
	newWindow = window.open(URL, "NanoGuardian", "toolbar=0, location=0, scrollbars=1, width=1020, height=650")

newWindow.focus()

}