/*	formvalidation.js
	Copyright (c) 2009 Visual Computing (www.visualcomputing.co.uk)
*/

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) { 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 an 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 == '');
}