var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; 
var base64DecodeChars = new Array( 
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 
    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, 
    -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 
    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, 
    -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 
    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1); 

function base64encode(str) { 
    var out, i, len; 
    var c1, c2, c3; 

    len = str.length; 
    i = 0; 
    out = ""; 
    while(i < len) { 
    c1 = str.charCodeAt(i++) & 0xff; 
    if(i == len) 
    { 
        out += base64EncodeChars.charAt(c1 >> 2); 
        out += base64EncodeChars.charAt((c1 & 0x3) << 4); 
        out += "=="; 
        break; 
    } 
    c2 = str.charCodeAt(i++); 
    if(i == len) 
    { 
        out += base64EncodeChars.charAt(c1 >> 2); 
        out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)); 
        out += base64EncodeChars.charAt((c2 & 0xF) << 2); 
        out += "="; 
        break; 
    } 
    c3 = str.charCodeAt(i++); 
    out += base64EncodeChars.charAt(c1 >> 2); 
    out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)); 
    out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6)); 
    out += base64EncodeChars.charAt(c3 & 0x3F); 
    } 
    return out; 
} 
function isEmail(email)
{
	//var patrn=/(\S)+[@]{1}(\S)+[.]{1}(\w)+/;  
	var patrn = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
	return  (patrn.test(email));
}

function copyText(obj) {
	var rng = document.body.createTextRange();
	rng.moveToElementText(obj);
	rng.scrollIntoView();
	rng.select();
	rng.execCommand("Copy");
	rng.collapse(false);
}

function insertFlash(elm, url,flashVars, w, h) {
 if (!document.getElementById(elm)) return;
 var str = '';
 str += '<object width="'+ w +'" height="'+ h +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0">';
 str += '<param name="allowScriptAccess" value="sameDomain" />';
 str += '<param name="movie" value="'+ url +'">';
 str += '<param name="quality" value="autohigh">';
 str += '<param name="wmode" value="transparent">';
 str += '<param name="FlashVars" value="'+ flashVars +'" />';
 str += '<param name="bgcolor" value="#ffffff" />';
 str += '<embed width="'+ w +'" height="'+ h +'" flashvars="'+ flashVars +'" src="'+ url +'" quality="autohigh" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" plugspace="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></embed>';
 str += '</object>';
 document.getElementById(elm).innerHTML = str;
}


function selAllCheckbox(checkboxName) {
	o = document.getElementsByName(checkboxName);
	for (i = 0; i < o.length; i++) {
		o[i].checked = true;
	}
}

function unselAllCheckbox(checkboxName) {
	o = document.getElementsByName(checkboxName);
	for (i = 0; i < o.length; i++) {
		o[i].checked = false;
	}
}

function input_checkedCount(eles){
	var count1 = 0;
	for(var i=0;i<eles.length;i++){
	      var checkEle = eles[i];
		  if(checkEle.checked)
		     count1 ++;
	}
	return count1;
}