var notepad = {
	             
                    comparison : function(toomuch_title,toomuch_content,badtype_title,badtype_content)
                    {
			var comparesubmit = document.getElementById('comparesubmit');
             	
                        var error = true;
			var errortype = false;
			var counter = 0;
			
			
                        for (var i=0; i < document.compareform["compare[]"].length; i++)
		        {
			    
			    if (document.compareform["compare[]"][i].checked) {
			       counter++;
			       error = false;
			       if(counter == 1) {
				   var first = document.compareform["compare[]"][i].value;
				   var first_id = first.split("|");
			       } else {
			           var actual = document.compareform["compare[]"][i].value;
			           var actual_id = actual.split("|");
				   if(actual_id[1] != first_id[1]) {
				       errortype = true;
				   }
			       }
			    }
			    
                        } 
                            
			if(counter > 4) {
			    showMessageWindow(toomuch_title,toomuch_content); 
			} else if(errortype) {
			    showMessageWindow(badtype_title,badtype_content); 
			} else if(error) {
			    
			} else {
			    document.compareform.submit();
			}
                        
                    }  
    }