//format the date string from webservice to UTC time;

function toUTCtime(dateStr) {

    //Date(1381243615503+0530),1381243615503,(1381243615503+0800)

    dateStr += "";

    var utcPrefix = 0;

    var offset = 0;

    var dateFormatString = "yyyy-MM-dd hh:mm:ss";

    var utcTimeString = "";

    var totalMiliseconds = 0;

    var regMatchNums = /\d+/gi;

    var regSign = /[\+|\-]/gi;

    var arrNums = dateStr.match(regMatchNums);

    utcPrefix = parseInt(arrNums[0]);

    if (arrNums.length > 1) {

        offset = arrNums[1];

        offsetHour = offset.substring(0, 2);

        offsetMin = offset.substring(2, 4);

        offset = parseInt(offsetHour) * 60 * 60 * 1000 + parseInt(offsetMin) * 60 * 1000;

    }

    if(dateStr.lastIndexOf("+")>-1){

        totalMiliseconds= utcPrefix - offset;

    } else if (dateStr.lastIndexOf("-") > -1) {

        totalMiliseconds = utcPrefix + offset;

    }

    utcTimeString = new Date(totalMiliseconds).format(dateFormatString);

    return utcTimeString;

}