function confirmSubmit()
  {
    var agree=confirm("Are you sure you wish to continue?");
   if (agree)
     return true ;
   else
     return false ;
  }
function PopUp(url, height, width)
{
    help = window.open(url, "help", "scrollbars,width="+width+",height="+height);
    window.help.focus();
}
function PopUp1(url, name, height, width)
{
  var w=window.open(url, name,"width="+width+",height="+height+",resizable=1,toolbar=0,location=0,status=1,menubar=0,directories=0,scrollbars=yes,top=0,left=0");
  w.focus();
}

function chkfield( field )
{
  str = field.value ;
  re = /[^0-9^\.]/g ;
  str = str.replace (",", "." ) ;
  re = /[^0-9^\.]/g ;
  newstr = str.replace ( re, "" ) ;
  field.value = newstr ;
}

<!--

var n1_of=new Image(); n1_of.src="images/mnHome.jpg"; var n1_on=new Image(); n1_on.src="images/mnHomeH.jpg";
var n2_of=new Image(); n2_of.src="images/mnAboutUs.jpg"; var n2_on=new Image(); n2_on.src="images/mnAboutUsH.jpg";
var n3_of=new Image(); n3_of.src="images/mnContactUs.jpg"; var n3_on=new Image(); n3_on.src="images/mnContactUsH.jpg";
var n4_of=new Image(); n4_of.src="images/mnStaff.jpg"; var n4_on=new Image(); n4_on.src="images/mnStaffH.jpg";

function mOn (imageName) {
  document.images[imageName].src=eval(imageName + "_on.src");
}

function mOf (imageName) {
  document.images[imageName].src=eval(imageName + "_of.src");
}

-->