function confirm_link(msg)
{
	//alert("HERE");
	if (confirm(msg))
		return true ;
	else
		return false;

}

function checkAll(formName,prifix,start,end) 
{
	//alert(formName+prifix);
	for (var j = start; j <= end; j++) 
	{
		box = eval("document." + formName + "." +prifix + j);
		if (box.checked == false) 
			box.checked = true;
	}
}

function mode_1(theText) {
	output = new String;
	Temp = new Array();
	Temp2 = new Array();
	TextSize = theText.length;
	for (i = 0; i < TextSize; i++) {
	rnd = Math.round(Math.random() * 122) + 68;
	//rnd = 77; 
	Temp[i] = theText.charCodeAt(i) + rnd;
	Temp2[i] = rnd;
	}
	for (i = 0; i < TextSize; i++) {
	output += String.fromCharCode(Temp[i], Temp2[i]);
	}
	return output;
}



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;
}