/********* Javascripts for meetingcamp ******/

function open_agreement()
{
	var agree = window.open("html/agreement.html","","toolbar=no,scrollbars=yes,width=650,height=570");
	agree.opener = window;
}

function showAltaddress(obj) 
{
    if (obj.ch_debit_address.checked == true)
        document.getElementById("billing_address").style.display = '';
    else
        document.getElementById("billing_address").style.display = 'none';
}

function isNumberKey(evt, minus)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         //alert(charCode);
         
         if(minus == 1){
         	if (charCode == 45) {
					return true;
				}
				if (charCode == 43){
					return true;
				}
			}
			
			if (charCode > 31 && (charCode < 48 || charCode > 57)){
				return false;
			}         
			
         return true;
      }


function imposeMaxLength(Object, MaxLen) {
	return (Object.value.length <= (MaxLen));
}

function len_display(Object,MaxLen,element){
	var sms_length = 144;
	
	var len_remain = Math.round(Object.value.length / sms_length) + 1;
	if(len_remain >=0){
   	document.getElementById(element).value=len_remain;   	    
   }
}

// [dFilter] - A Numerical Input Mask for JavaScript
// Written By Dwayne Forehand - March 27th, 2003
// Please reuse & redistribute while keeping this notice.
 
var dFilterStep
 
function dFilterStrip (dFilterTemp, dFilterMask)
{
dFilterMask = replace(dFilterMask,'#','');
for (dFilterStep = 0; dFilterStep < dFilterMask.length++; dFilterStep++)
{
dFilterTemp = replace(dFilterTemp,dFilterMask.substring(dFilterStep,dFilterStep+1),'');
}
return dFilterTemp;
}
 
function dFilterMax (dFilterMask)
{
dFilterTemp = dFilterMask;
for (dFilterStep = 0; dFilterStep < (dFilterMask.length+1); dFilterStep++)
{
if (dFilterMask.charAt(dFilterStep)!='#')
{
dFilterTemp = replace(dFilterTemp,dFilterMask.charAt(dFilterStep),'');
}
}
return dFilterTemp.length;
}
 
function dFilter (key, textbox, dFilterMask)
{
dFilterNum = dFilterStrip(textbox.value, dFilterMask);
 
if (key==9)
{
return true;
}
else if (key==8&&dFilterNum.length!=0)
{
dFilterNum = dFilterNum.substring(0,dFilterNum.length-1);
}
else if ( ((key>47&&key<58)||(key>95&&key<106)) && dFilterNum.length<dFilterMax(dFilterMask) )
{
	//alert(dFilterNum+String.fromCharCode(key));
	if (key>=96&&key<=105) { key = key - 48 ;}
	dFilterNum=dFilterNum+String.fromCharCode(key);
}
 
var dFilterFinal='';
for (dFilterStep = 0; dFilterStep < dFilterMask.length; dFilterStep++)
{
if (dFilterMask.charAt(dFilterStep)=='#')
{
if (dFilterNum.length!=0)
{
dFilterFinal = dFilterFinal + dFilterNum.charAt(0);
dFilterNum = dFilterNum.substring(1,dFilterNum.length);
}
else
{
dFilterFinal = dFilterFinal + "";
}
}
else if (dFilterMask.charAt(dFilterStep)!='#')
{
dFilterFinal = dFilterFinal + dFilterMask.charAt(dFilterStep); 
}
// dFilterTemp = replace(dFilterTemp,dFilterMask.substring(dFilterStep,dFilterStep+1),'');
}
 
 
textbox.value = dFilterFinal;
return false;
}
 
function replace(fullString,text,by) {
// Replaces text with by in string
var strLength = fullString.length, txtLength = text.length;
if ((strLength == 0) || (txtLength == 0)) return fullString;
 
var i = fullString.indexOf(text);
if ((!i) && (text != fullString.substring(0,txtLength))) return fullString;
if (i == -1) return fullString;
 
var newstr = fullString.substring(0,i) + by;
 
if (i+txtLength < strLength)
newstr += replace(fullString.substring(i+txtLength,strLength),text,by);
 
return newstr;
}