function MM_findObj(n, d) { 
  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() {
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  var filterem=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i  
  for (i=0; i<(args.length-2); i+=3) { 
    test=args[i+2]; 
    val=MM_findObj(args[i]);
    DisName=(args[i+1]);
    if (val) { 
       nm=DisName; 
       if((val=val.value)!="") { 
          if(trim(val)=="") {
             MM_findObj(args[i]).value="";
             errors+='- '+nm+' is blank'+'\n'; 
          }
          if (test.indexOf('isEmail')!=-1) {
             if (filterem.test(val) != true) errors+='- '+nm+' must contain an valid e-mail address'+'\n';
             } else if (test!='R') { 
                num = parseFloat(val);
                if (isNaN(val)) errors+='- '+nm+' must contain a number'+'\n';
                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';
                }
             }
          } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required'+'\n'; 
       }
    }
  if (errors) alert('The following error(s) occurred'+'\n'+errors);
  document.MM_returnValue = (errors == '');
}

function trim(str) {
  while(str.substring(0,1) == ' '){
    str = str.substring(1);
  }
  while(str.substring(str.length-1,str.length) == ' '){
    str = str.substring(0,str.length-1);
  }
  return str;
}

function OnlyNumbers(e)
{
	var key;
	if(window.event) {
		// for IE, e.keyCode or window.event.keyCode can be used
		key = e.keyCode;
	}
	else if(e.which) {
		// netscape
		key = e.which;
	}
	else {
		// no event, so pass through
		return true;
	}
	//alert(key);
	//key for backspace,delete,tab lt & rt arrows.
	if(key==46 || key==8 || key==9 || key==37 || key==39)
	return true;
	if (key < 48 || key > 57)
	return false;
	return true;
}