// *************************************************************
// file: global_styles.js
// created: Aug-23-2001
// modified: Jan-22-2007
// description: JavaScript fuctions for the corporate Web sites.
// *************************************************************

/********
 * Opens a new window
********/

var curPopupWindow = null;

function openWindow(url, winName, width, height, center, winType) {

   var xposition = 50; // Postions the window vertically in px
   var yposition = 50; // Postions the window horizontally in px
   var location, menubar, resizable, scrollbars, status, titlebar;

   if ((parseInt(navigator.appVersion) >= 4 ) && (center)){
       xposition = (screen.width - 800) / 2;
       yposition = (screen.height - 600) / 2;
   } 
   
   if (winType == "1") {           // winType 1 is for regular popup windows
      location=1;
      menubar=1;
      resizable=1;
      scrollbars=1;
      status=1;
      titlebar=1;
   } else if (winType == "2") {   // winType 2 is for Quick Tour like popups
      location=0;
      menubar=0;
      resizable=0;
      scrollbars=0;
      status=0;
      titlebar=1;
   } else if (winType == "3") {   // winType 3 is for footer like popups
      location=0;
      menubar=0;
      resizable=1;
      scrollbars=1;
      status=0;
      titlebar=1;
   } else if (winType == "4") { // winType 4 sforce footer - no resizing
      location=0;
      menubar=0;
      resizable=0;
      scrollbars=1;
      status=0;
      titlebar=0;
   } else if (winType == "5") {
      location=0;
      menubar=1;
      resizable=0;
      scrollbars=1;
      status=0;
      titlebar=0;
   }else {                       // if no arg is passed for winType
      location=1;
      menubar=1;
      resizable=1;
      scrollbars=1;
      status=1;
      titlebar=1;
   } 
   
   // Features to specify for a new window
   args = "width=" + width + ","
   + "height=" + height + ","
   + "location=" + location + ","
   + "menubar=" + menubar + ","
   + "resizable=" + resizable + ","
   + "scrollbars=" + scrollbars + ","
   + "status=" + status + ","
   + "titlebar=" + titlebar + ","
   + "toolbar=0,"
   + "hotkeys=0,"
   + "screenx=" + xposition + ","  //NN Only
   + "screeny=" + yposition + ","  //NN Only
   + "left=" + xposition + ","     //IE Only
   + "top=" + yposition;           //IE Only
   
	// Performs the opening of the window (and closing of a window already opened for that page).
	if (curPopupWindow != null) {
		curPopupWindow.close();
	}
	curPopupWindow = window.open(url, winName, args, false);
    // IE6 returns null if the popup is blocked
    if(curPopupWindow != null) {
	    curPopupWindow.focus();
    }
}


/********
 * Validate phone number for international countries
********/

function isValidPhoneNumber(num, requiredDigits) {
    var digits = 0;
    if (num == null) return false;
    for( i=0; i<num.length; i++ ){
        var c = num.charCodeAt(i);  
        //convert the i-th character to ascii code value
        if( (c>=48) && (c<=57) ) digits++;
    }    
    return (digits >= requiredDigits);
}

/********
 * Verify that an email addres is valid
 * Written by Paolo Wales (paolo@taize.fr)
********/

function isValidEmail(emailad) {

   var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
   var check=/@[\w\-]+\./;
   var checkend=/\.[a-zA-Z]{2,4}$/;
   if(((emailad.search(exclude) != -1) ||
       (emailad.search(check)) == -1) ||
       (emailad.search(checkend) == -1)){
      return false;
   } else {
      return true;
   }
}

var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

function encode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   do {
      chr1 = input.charCodeAt(i++);
      chr2 = input.charCodeAt(i++);
      chr3 = input.charCodeAt(i++);

      enc1 = chr1 >> 2;
      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
      enc4 = chr3 & 63;

      if (isNaN(chr2)) {
         enc3 = enc4 = 64;
      } else if (isNaN(chr3)) {
         enc4 = 64;
      }

      output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + 
         keyStr.charAt(enc3) + keyStr.charAt(enc4);
   } while (i < input.length);
   
   return output;
}

function decode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
   input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

   do {
      enc1 = keyStr.indexOf(input.charAt(i++));
      enc2 = keyStr.indexOf(input.charAt(i++));
      enc3 = keyStr.indexOf(input.charAt(i++));
      enc4 = keyStr.indexOf(input.charAt(i++));

      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;

      output = output + String.fromCharCode(chr1);

      if (enc3 != 64) {
         output = output + String.fromCharCode(chr2);
      }
      if (enc4 != 64) {
         output = output + String.fromCharCode(chr3);
      }
   } while (i < input.length);

   return output;
}