/*form validation start*/
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) } else { sendForm(); }
  document.MM_returnValue = (errors == '');
}
/*form validation end*/


//view address information
function sendForm() { 
	var f_e = document.getElementById('mremail').value;
	var f_n = document.getElementById('mrnumber').value;
	var f_t = document.getElementById('mrtext').value;
	callAHAH('js_send.php?mrnumber='+encodeURI(f_n)+'&mremail='+encodeURI(f_e)+'&mrtext='+encodeURI(f_t),'mr_text','<span class="ajaxmessage">Sending request - please wait</span>', 'Error');
}

function textCounter(field, countfield, maxlimit) {
	if (document.getElementById(field).value.length > maxlimit) {
		document.getElementById(field).value = document.getElementById(field).value.substring(0, maxlimit);
	} else {
		document.getElementById(countfield).value = maxlimit - document.getElementById(field).value.length;
	}
}

function IsNumeric(sText) {
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
   for (i = 0; i < sText.length && IsNumber == true; i++)  {
	  Char = sText.charAt(i);
	  if (ValidChars.indexOf(Char) == -1)  {
		 IsNumber = false;
	  }
   }
   return IsNumber;
}
		
function toggleLayer(whichLayer) {
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}