var prev = new Array();
prev[0] = "";
prev[1] = "";
prev[2] = "";
prev[3] = "";

Effect.OpenUp = function(element) {
	element = $(element);
	new Effect.BlindDown(element, arguments[1] || {});
}

Effect.CloseDown = function(element) {
	element = $(element);
	new Effect.BlindUp(element, arguments[1] || {});
}


Effect.Combo = function(element) {
	var row = arguments[1];
	
	ClosePrev(element, row);
	
	prev[row] = $(element);
	 
	element = $(element);
	
	if (element.style.display == 'none') { 
		if (navigator.userAgent.indexOf("Firefox")!=-1)
			new Effect.OpenUp(element, arguments[2] || {});
    	else
			element.style.display = "";
     } else {
    	if (navigator.userAgent.indexOf("Firefox")!=-1)
        	new Effect.CloseDown(element, arguments[2] || {});
        else
			element.style.display = "none";
     }
     
     // hide message
     //if (row == 2)
     //	$('message').style.display = 'none';
}
 
 
 function ClosePrev(element, row) {
 	if (prev[row] != "" && prev[row] != $(element)) {
 		if (navigator.userAgent.indexOf("Firefox")!=-1)
			new Effect.CloseDown(prev[row], {duration: 0.2});
		else
			prev[row].style.display = "none";
 	}
}