// JavaScript Document

function changeBGclass(){

	var randomnumber = Math.random() ;
	var rand = Math.round( (3) * randomnumber) + 0 ;

	if (document.documentElement)
		var elem = document.documentElement;
	else if (document.body)
		var elem = document.body;

	elem.className = "bg"+rand;
	
}

// Popup functions
function new_window(url, name, w, h) {
	window.open(url,name,'HEIGHT='+h+',WIDTH='+w);
}
function popup_window( url, id, width, height ) {
       //extract the url parameters if any, and pass them to the called html
       var tempvar=document.location.toString(); // fetch the URL string
       var passedparams = tempvar.lastIndexOf("?");
       if(passedparams > -1)
          url += tempvar.substring(passedparams);
      popup = window.open( url, id, 'toolbar=no,scrollbars=no,location=no,statusbar=no,menubar=no,resizable=no,width=' + width + ',height=' + height + '' );
      popup.focus();
}

// Expand/Shrink paragraphs
	function showHide(textid,labelid) {
	
		if (document.getElementById(textid).className == "show") {
	
			document.getElementById(textid).className = "hide";
			document.getElementById(labelid).className = "plus";
			
		} else {
			
			document.getElementById(textid).className = "show";
			document.getElementById(labelid).className = "minus";
		}
	
	}

function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}