function imgRoll(imgName,state)
{
	if(document.images)			
   	{
		imgpath=(imgName+".loc");
	 	imgpath=eval(imgpath); //imgpath+imgName;
		if (state==1)
		{
			document[imgName].src = imgpath+eval(imgName+".onsrc");
		}
		else
		{
			document[imgName].src = imgpath+eval(imgName+".offsrc");
		}
   }
   return true;
}

function launchWin (url, name, width, height)
{
	var temp = "toolbar=0,location=0,directories=0,status=0,menubar=0,resizable=0,scrollbars=auto,height=" + height + ",innerHeight=" + height;
	temp += ",width=" + width + ",innerWidth=" + width;
	if (window.screen) {
		var avH = screen.availHeight;
		var avW = screen.availWidth;
		var xCoord = (avW - width) / 2;
		var yCoord = (avH - height) / 2;
		temp += ",left=" + xCoord + ",screenX=" + xCoord;
		temp += ",top=" + yCoord + ",screenY=" + yCoord;
	}
	//alert(window.win1.closed);
	myWin = null;
	myWin = window.open(url,name,temp);
}

function fixCookieDate(date) {
	base = new Date(0);
	skew = base.getTime();
	if (skew > 0) {
		date.setTime (date.getTime() - skew);
	}
}

function setCookie (name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape(value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
}

function getCookie (name) {
	arg = name + "=";
	alen = arg.length;
	clen = document.cookie.length;
	i = 0;
	while (i < clen) {
		j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			return getCookieVal (j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
return null;
}

function getCookieVal (offset) {
	endstr = document.cookie.indexOf (";", offset);
		if (endstr == -1) {
			endstr = document.cookie.length;
		}
return unescape(document.cookie.substring(offset, endstr));
}

/*
Plugin Detector()
Source: Webmonkey Code Library
(http://www.hotwired.com/webmonkey/javascript/code_library/)
Author: Nadav Savio
Author Email: webmonkey@giantant.com
*/

// this is where we write out the VBScript for MSIE Windows
var startTagFix = '</';
var msie_windows = 0;
if ((navigator.userAgent.indexOf('MSIE') != -1) && (navigator.userAgent.indexOf('Win') != -1)){
  msie_windows = 1;
  document.writeln('<script language="VBscript">');
  document.writeln('\'This will scan for plugins for all versions of Internet Explorer that have a VBscript engine version 2 or greater.');
  document.writeln('\'This includes all versions of IE4 and beyond and some versions of IE 3.');
  document.writeln('Dim detect_through_vb');
  document.writeln('detect_through_vb = 0');
  document.writeln('If ScriptEngineMajorVersion >= 2 then');
  document.writeln('  detect_through_vb = 1');
  document.writeln('End If');
  document.writeln('Function activeXDetect(activeXname)');
  document.writeln('  on error resume next');
  document.writeln('  If ScriptEngineMajorVersion >= 2 then');
  document.writeln('     activeXDetect = False');
  document.writeln('     activeXDetect = IsObject(CreateObject(activeXname))');
  document.writeln('     If (err) then');
  document.writeln('        activeXDetect = False');
  document.writeln('     End If');
  document.writeln('   Else');
  document.writeln('     activeXDetect = False');
  document.writeln('   End If');
  document.writeln('End Function');
  document.writeln(startTagFix+'script>');
}

function pluginDetect(plugindescription, pluginxtension, pluginmime, activeXname){

  //This script block will test all user agents that have a real plug-in array
  //(i.e. Netscape) and set the variables, otherwise it directs the routine
  // to activeXDetect to detect the activeX control.
  
  // First define some variables
  var i,plugin_undetectable=0,detected=0, daPlugin=new Object();
  // Then we check to see if it's an MSIE browser that you can actually
  // check for the plugin in question. 
  if (msie_windows && detect_through_vb){
      plugin_undetectable = 0;
  } else {
      plugin_undetectable = 1;
  }

  // If it has a real plugins or mimetypes array, we look there for the plugin first
  if(navigator.plugins) {
      numPlugins = navigator.plugins.length;
      if (numPlugins > 1) {
	  if (navigator.mimeTypes && navigator.mimeTypes[pluginmime] && navigator.mimeTypes[pluginmime].enabledPlugin && (navigator.mimeTypes[pluginmime].suffixes.indexOf(pluginxtension) != -1)) { // seems like we have it, let's just make sure and check the version (if specified)
	      if ((navigator.appName == 'Netscape') && (navigator.appVersion.indexOf('4.0') != -1)) { // stupid, stupid Netscape can't handle the references to navigator.plugins by number, sooo...
		  for(i in navigator.plugins) {
		      if ((navigator.plugins[i].description.indexOf(plugindescription) != -1) || (i.indexOf(plugindescription) != -1)) { // some versions of quicktime have no description. feh!
			  detected=1;
			  break;
		      }
		  }
	      } else {
		  for (i = 0; i < numPlugins; i++) {
		      daPlugin = navigator.plugins[i];
		      if ((daPlugin.description.indexOf(plugindescription) != -1) || (daPlugin.name.indexOf(plugindescription) != -1)) {
			  detected=1;
			  break;
		      }
		  }
	      }

	      // Mac weirdness
      if (navigator.mimeTypes[pluginmime] == null) {
		  detected = 0;
	      }
	  }
	  return detected;
      } else if((msie_windows == 1) && !plugin_undetectable){
	  return activeXDetect(activeXname);
      } else { 		
	  return 0;
      }
  } else {
      return 0;
  }
}

// this next function just makes it easy to detect the common plugins

function easyDetect(whichPlugin) {
    // this function just makes it easy to do basic plug-in detection without
    // knowing all the mimetypes and activeX names and such
    var isItThere = 0;
    if( (whichPlugin == 'flash') || (whichPlugin == 'Flash') ) {
	isItThere = pluginDetect('Flash', 'swf', 'application/x-shockwave-flash', 'ShockwaveFlash.ShockwaveFlash');
    } else if( (whichPlugin == 'director') || (whichPlugin == 'Director') ) {
	isItThere = pluginDetect('Shockwave', 'dcr', 'application/x-director', 'SWCtl.SWCtl.1');
    } else if( (whichPlugin == 'quicktime') || (whichPlugin == 'Quicktime') || (whichPlugin == 'QuickTime') ) {
	isItThere = pluginDetect('QuickTime', 'mov', 'video/quicktime', '');
    } else if( (whichPlugin == 'realaudio') || (whichPlugin == 'Realaudio') || (whichPlugin == 'RealAudio') ) {
	isItThere = (pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin', 'RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)')) || (pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','rmocx.RealPlayer G2 Control')) || (pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)')) || (pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','RealVideo.RealVideo(tm) ActiveX Control (32-bit)'))
    } else {
	alert('You need to tell me which plug-in to look for, like so:\n\n' + '          easyDetect(\'flash\')\n\n' + '          easyDetect(\'director\')\n\n' + '          easyDetect(\'quicktime\')\n\n' + '          easyDetect(\'realaudio\')');
    }
    return isItThere;
}