function notSupported(){ alert('your browser is not supported.'); }
function resetClass(n1,n2){
  var o1 = document.getElementById(n1);
  var o2 = document.getElementById(n2);
  if(o1 && o2){
    var className=o1.className;
    o1.className = o2.className;
    } else notSupported();
}
function errinit(){
  if(!document.getElementById && document.all) document.getElementById=document.all;
  else if(!document.getElementById) notSupported();
}
window.onload=errinit;

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { fnam=val; nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) {
		errors+='- '+nm+' must contain a valid e-mail address.\n';
		resetClass(nm,'ef');;
		}
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) {
		errors+='- '+nm+' must contain a number.\n';
		resetClass(nm,'ef');
		}
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) {
		  errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
		  resetClass(nm,'ef');
		  }
    } } } else if (test.charAt(0) == 'R') {
	errors += '- '+nm+' is required.\n';
	resetClass(nm,'ef');;
	}}
  } if (errors) alert("Please fill in all the highlighted boxes" + '\n' + errors);
  document.MM_returnValue = (errors == '');
}
