function checkEmail(email) {

  if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)){

    return (true)

  }

  return false;

}
function setCookie(sValue,iMinutes,sDomain) {
	if (iMinutes) {
		var date = new Date();
		date.setTime(date.getTime()+(iMinutes*60*1000))
		var expires = "; expires="+date.toGMTString()
	} else expires = ""
	var sCookieCont="usersessionid="+sValue+expires+"; path=/"
	sCookieCont += sDomain!="" && sDomain ?	" ; domain="+sDomain : " ; domain=isratrance.com";
	document.cookie = sCookieCont
}
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=400,height=150,left = 350,top = 300');");
}

function popup_audio(audio_id)
{
  var win_style="width=300,height=100,scrollbars=no,toolbar=no, directories=no, menubar=no, resizable=yes";
  popWin = window.open('DownloadContentFile.php?type=audio&link_id='+audio_id, 'audio', win_style);
}
function popup_video(video_id)
{
  var win_style="width=500,height=200,scrollbars=no,toolbar=no, directories=no, menubar=no, resizable=yes";
  window.open('DownloadContentFile.php?type=video&link_id='+video_id, 'video', win_style);
}


function openwin(width, height, source,name) 
{
	settings="toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width="+width+",height="+height;
	newwin=window.open('/ViewImage.php?src=' + source,name, settings)
	/*
	newwin=window.open('',name, settings);
	newwin.document.write('<html><head><title>CLICK THE IMAGE TO CLOSE WINDOW</title><link rel=stylesheet type=\"text/css\" href=\"style/style.css\"></head>');
	newwin.document.write('<body topmargin=0 leftmargin=0>');
	newwin.document.write("<a href=javascript:window.close()><img src=" + source + " border=0></a>");
	newwin.document.write('</body></html>');
	newwin.document.close();
	*/
}

function ButtonOn(buttonName)
{
  if ((document.images) && (useImages == "1"))
  {
  imgOn = "/images/" + buttonName + "_on.jpg";
  document.images[buttonName].src = imgOn;
  }
}


function ButtonOff(buttonName)
{
  if ((document.images) && (useImages == "1"))
  {
  imgOff = "/images/" + buttonName + "_off.jpg";
  document.images[buttonName].src = imgOff;
  }
}


browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
// Image class isn't supported by MSIE 3.x and NN 2.x. 
if (((browserName == "Netscape") && (browserVer >= 3)) || ((browserName == "Microsoft Internet Explorer") && (browserVer >= 4))) 
useImages = "1";
else 
useImages = "0";

