var em='i';
 em=em+'nf'+'o';
 em=em+'@';
 em=em+'vla';
 em=em+'do';
 em=em+'ze';
 em=em+'man';
 em=em+'.';
 em=em+'c';
 em=em+'om';
 var el='ma';
 el=el+'i';
 el=el+'lt';
 el=el+'o:';
 el=el+em;
 
 
 var correctResponses=('badcbbaccd');
 
 
    function findObj(nm){
      var o;
      d=document;
      if(d.getElementById) {
            o=d.getElementById(nm);
      } else {
            if (d.Layers) {
              o=d.Layers[nm];
            } else {
              o=d[nm];
            }
      }
      return o;
    }
	
	
	function showThing(thing,hide) {
  	  var o=findObj(thing);
	  if(hide) {
        if(o) { 
  	      if(o.style) {
  		    o=o.style;
  		    o.position='absolute';
			o.left=-5000;
  		  } else {
  		    o.position='absolute';
			o.left=-5000;
  		  }
  	    }
	  } else {
        if(o) { 
  	      if(o.style) {
  		    o=o.style;
  		    o.position='relative';
			o.left=0;
			o.visibility='visible';
  		  } else {
  		    o.position='relative';
			o.left=0;
  		    o.visibility='show';
  		  }
  	    }
	  }	
	}
 
  function popUpWindow(url, windowName, width, height, video) {
    var winprops = '';
	var rSize = 'no';
	
	var sBars = 'yes';	
	
	if (video) {sBars='no'}	
	
    if (screen.height < height - 10) {
	  height = screen.height -10;
	  rSize = 'yes'
	  sBars = 'yes';
    }
	
	
    if (screen.width < width - 10) {
	  width = screen.width - 10;
	  rSize = 'yes'
	  sBars = 'yes';
    }
	  
    var wLeft = (screen.width - width) / 2;
    var wTop = (screen.height - height) / 2;
	
	winprops = 'width=' + width +
	           ',height=' + height +  
	           ',left=' + wLeft +  
	           ',top=' + wTop +   
	           ',scrollbars=' + sBars + 
	           ',toolbars=no' + 
	           ',resizable=' + rSize + 
	           ',location=no' + 
	           ',menubars=no';
  
    window.open(url,windowName,winprops);
  
  }