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 <= 6.0 ){
		var x = document.getElementById('container');
		if (x) {x.className = 'container_background_alt';}
		var y = document.getElementById('png');
		if (y) {y.className = 'interior_float_alt';}}
	else {
		png();}
  }

}

function showquote(){
	var num = Math.floor(Math.random()*7);
	switch (num){
		case 0:
		document.getElementById('quote_1_a').style.display = '';
		document.getElementById('quote_1_b').style.display = '';
		break;
		case 1:
		document.getElementById('quote_2_a').style.display = '';
		document.getElementById('quote_2_b').style.display = '';
		break;
		case 2:
		document.getElementById('quote_3_a').style.display = '';
		document.getElementById('quote_3_b').style.display = '';
		break;
		case 3:
		document.getElementById('quote_4_a').style.display = '';
		document.getElementById('quote_4_b').style.display = '';
		break;
		case 4:
		document.getElementById('quote_5_a').style.display = '';
		document.getElementById('quote_5_b').style.display = '';
		break;
		case 5:
		document.getElementById('quote_6_a').style.display = '';
		document.getElementById('quote_6_b').style.display = '';
		break;
		case 6:
		document.getElementById('quote_7_a').style.display = '';
		document.getElementById('quote_7_b').style.display = '';
		break;
		}
	}