function doPop(url,width,height) {
	var ah = screen.availHeight - 25;
	var aw = screen.availWidth - 10;
	var top = (ah-height)/2;
	var left = (aw-width)/2;
	var str= "top="+top+",left="+left+",width="+width+",height="+height
		+",menubar=no,toolbar=no,location=no,directories=no,scrollbars=yes,status=no,resizable=yes";
	window.open(url, '', str);
}
function doPop2(url) {
	var top = 0;
	var left = 0;
	var height = screen.availHeight ;
	var width = screen.availWidth ;
	var str= "top="+top+",left="+left+",width="+width+",height="+height
		+",menubar=yes,toolbar=yes,location=yes,directories=yes,scrollbars=yes,status=yes,resizable=yes";
	window.open(url, '', str);
}
function isValidEmail(strMail)
{
	var nLen = strMail.length;
	var nPos = strMail.indexOf("@");
	if (nPos==-1 || nPos==0 || nPos==nLen-1)
		return false;
	var ary = strMail.split("@");
	if (ary.length>2)
		return false;
	var nLen = ary[1].length;
	var nPos = ary[1].indexOf(".");
	if (nPos==-1 || nPos==0 || nPos==nLen-1)
		return false;
	return true;
}
function isFloat(num)
{
	var i,j,strTemp;
	strTemp=".0123456789";
	for (i=0; i<num.length; i++)
	{
		j=strTemp.indexOf(num.charAt(i));
		if (j==-1)
			return false;
	}
	return true;
}
function isNumeric(num)
{
	var i,j,strTemp;
	strTemp="0123456789";
	for (i=0; i<num.length; i++)
	{
		j=strTemp.indexOf(num.charAt(i));
		if (j==-1)
			return false;
	}
	return true;
}
function isValidMobile(mobile)
{
	if (mobile.length!=11)
		return false;
	if (!isNumeric(mobile))
		return false;
	prix = mobile.substr(0,2);
	if (prix=="13" || prix=="15")
		return true;
	return false;

}

function isValidImei(imei)
{
	if ((imei.length!=15) && (imei.length!=18))
		return false;

    if (imei.length == 18) {
      str1 = imei.substr(6, 1);
      str2 = imei.substr(9, 1);
      str3 = imei.substr(16, 1);
      if ((str1!="-") || (str2!="-") || (str3!="-")) {
        return false;
      }
      str4 = imei.substr(0,6) + imei.substr(7,2) 
          + imei.substr(10,6) + imei.substr(17,1);
      imei = str4;
    }

	if (!isNumeric(imei))
		return false;

	return true;
}