source: trunk/phpgwapi/js/expressoAjax/dom.js @ 2616

function borkb(size){
        kbyte = 1024;
        mbyte = kbyte*1024;
        gbyte = mbyte*1024;
        if (!size)
                size = 0;
        if (size < kbyte)
                return size + ' B';
        else if (size < mbyte)
                return parseInt(size/kbyte) + ' KB';
        else if (size < gbyte)
                if (size/mbyte > 100)
                        return (size/mbyte).toFixed(0) + ' MB';
                else
                        return (size/mbyte).toFixed(1) + ' MB';
        else
                return parseInt(size/gbyte).toFixed(1) + ' GB';
}

function url_encode(str){
    return escape(str);
}
function url_decode(str) {
        return unescape(str);
}

function replaceAll(string, token, newtoken) {
        while (string.indexOf(token) != -1) {
                string = string.replace(token, newtoken);
        }
        return string;
}

function config_events(pObj, pEvent, pHandler)
{
    if( typeof pObj == 'object')
    {
        if( pEvent.substring(0, 2) == 'on')
            pEvent = pEvent.substring(2, pEvent.length);

        if ( pObj.addEventListener )
            pObj.addEventListener(pEvent, pHandler, false);
        else if( pObj.attachEvent )
            pObj.attachEvent('on' + pEvent, pHandler );
    }
}


// Make decimal round, using in size message
function round(value, decimal){
        var return_value = Math.round( value * Math.pow( 10 , decimal ) ) / Math.pow( 10 , decimal );
        return( return_value );
}

function removeAll(id){
        do
        {
                if (typeof(Element(id)) == 'undefined')
                        break;
                Element(id).parentNode.removeChild(Element(id));
        }
        while(Element(id));
}
function validateEmail(email){
        if (typeof(email) != 'string')
                return false;
        var validName = /^[a-z][a-z-_0-9\.]*/i;
        emailParts = email.split('@');
        return (validName.test(emailParts[0]) && validateDomain(emailParts[1]));
}
function validateDomain(domain){
        var domainReg = /^(([A-Za-z\d][A-Za-z\d-]{0,61}[A-Za-z\d]\.)+[A-Za-z]{2,6}|\[\d{1,3}(\.\d{1,3}){3}\])$/i;
        return (domainReg.test(domain));
}

function validateUrl(url){
        var urlReg = /([A-Za-z]{2,7}:\/\/)(.*)/i;
        urlParts = url.split(urlReg);
        return (urlParts[1].length > 4 &&  validateDomain(urlParts[2]));
}

function trim(inputString) {
   if (typeof inputString != "string") 
        return inputString;
      
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { 
          retValue = retValue.substring(1, retValue.length);
          ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { 
          retValue = retValue.substring(0, retValue.length-1);
          ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { 
          retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); 
   }
   return retValue; 
}


function LTrim(value){
        var w_space = String.fromCharCode(32);
        var strTemp = "";
        var iTemp = 0;

        var v_length = value ? value.length : 0;
        if(v_length < 1)
                return "";

        while(iTemp < v_length){
                if(value && value.charAt(iTemp) != w_space){
                        strTemp = value.substring(iTemp,v_length);
                        break;
                }
                iTemp++;
        }
        return strTemp;
}


function add_className(obj, className){
        if (obj && !exist_className(obj, className))
                obj.className = obj.className + ' ' + className;
}

function remove_className(obj, className){
        var re = new RegExp("\\s*"+className);
        if (obj)
                obj.className = obj.className.replace(re, ' ');
}

function exist_className(obj, className){
        return ( obj && obj.className.indexOf(className) != -1 );
}



function validate_date(date){
    if (date.match(/^[0-3][0-9]\/[0-1][0-9]\/\d{4,4}$/))
    {
        tmp = date.split('/');

        day = new Number(tmp[0]);
        month = new Number(tmp[1]);
        year = new Number(tmp[2]);
        if (month >= 1 && month <= 12 && day >= 1 && day <= 31)
        {
            if (month == 02 && day <= 29)
            {
                return true;
            }
            return true;
        }
        else
            {
                return false;
            }
    }
    else
        {
            return false;
        }
};