// form validation


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;
}


// Based on MM_validateForm()
// Extended to accept an extra argument containing a friendly name for a field.
function validateForm() {
  var i,p,q,nm,test,num,min,max,errors='',args = validateForm.arguments;
  for (i = 0; i < (args.length - 2); i += 4) {
  	test = args[i + 2];
  	val = MM_findObj(args[i]);
    if (val) { 
    	//nm = val.name;
    	nm = args[i + 3];
    	if ((val = val.value)!="") {
      	if (test.indexOf('isEmail') != -1) {
      		p=val.indexOf('@');
        	if (p < 1 || p == (val.length - 1)) errors += '- ' + nm + ' must contain an e-mail address.\n\n';
      	} else 
      		if (test != 'R') {
      			num = parseFloat(val);      			
        		if (isNaN(val)) errors += '- ' + nm + ' must contain a number.\n\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\n';
    				}
    			}
    	} else 
    		if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n\n'; 
    }
  } 
  if (errors) alert(errors);
  document.MM_returnValue = (errors == '');
}