var comboTimeout = 250;
var comboTimeObjectReferences = Array();
function toggleCombo(comboId) {	
	if ( document.getElementById(comboId).style.display == 'none' ) {			
	showComboLayer(comboId);	
	} 
	else {	
	hideComboLayer(comboId);
	}
}
function showComboLayer(comboId) {	
var onMouseOverEvent = 'clearTimeout( comboTimeObjectReferences[\'' + comboId + '\'] )';	
var onMouseOutEvent = 'hideComboLayer(\'' + comboId + '\')';	
var objectReference = document.getElementById(comboId);	
clearTimeout(comboTimeObjectReferences[comboId]);	
objectReference.style.display = '';	
objectReference.onmouseout = function() {		
eval ( onMouseOutEvent );	
}
objectReference.onmouseover = function() {		
eval ( onMouseOverEvent );	
}
}
function hideComboLayer(comboId) {	
comboTimeObjectReferences[comboId] = setTimeout("document.getElementById('" + comboId + "').style.display = 'none'", comboTimeout);
}