// JavaScript Document


function getInternetExplorerVersion()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
  var rv = -1; // Return value assumes failure.
  if (navigator.appName == 'Microsoft Internet Explorer')
  {
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}

function checkVersion()
{
  var msg = "You're not using Internet Explorer.";
  var ver = getInternetExplorerVersion();

  if ( ver > -1 )
  {
    if ( ver >= 8.0 ) 
      msg = "You're using a recent copy of Internet Explorer."
    else
      msg = "You should upgrade your copy of Internet Explorer.";
  }
  //alert( msg );
}


function adjustHeight() {
	
	var OfferHeight = document.getElementById('offer').offsetHeight;
	var NewsHeight = document.getElementById('news').offsetHeight;	
	var WelcomeHeight = document.getElementById('welcome').offsetHeight;	
  	var ver = getInternetExplorerVersion();
	
	//alert (ver);
	//alert ("App Name: " + navigator.appName);
	//alert ("offer Height: " + OfferHeight);
	//alert ("news Height: " + NewsHeight);
	//alert ("welcome Height: " + WelcomeHeight);

  if ( ver > -1 ) {//returned a version
    if ( ver == 8 ) {
		if (NewsHeight > OfferHeight) {
			var NewIE8Height = NewsHeight - WelcomeHeight - 34; //solves alignment in IE8
			document.getElementById('offer').style.height = NewIE8Height; 
			//alert("New IE 8 Height: " + NewIE8Height);
			//alert("ie8!");
	 	}
	}
	else if ( ver == 7 ) { 
			if (NewsHeight > OfferHeight) {
				var NewIE7Height = NewsHeight - WelcomeHeight - 37;//solves alignment in IE7
				document.getElementById('offer').style.height = NewIE7Height; 
				//alert("ie7!");
			}
	 }
  }
}