function pngFix(f){
	var dir;
	switch(f){
	case "top": dir = 'common/';pngFixTop();break;
	case 2: dir = '../common/';break;
	default: return false;
	}
	pngFixAll(dir);
}
function pngFixAll(dir){
	IEPNGFIX.hover(document.getElementById('mn_concept'), dir+'images/mn_concept_f2.png');
	IEPNGFIX.hover(document.getElementById('mn_floor'), dir+'images/mn_floor_f2.png');
	IEPNGFIX.hover(document.getElementById('mn_program'), dir+'images/mn_program_f2.png');
	IEPNGFIX.hover(document.getElementById('mn_information'), dir+'images/mn_information_f2.png');
	IEPNGFIX.hover(document.getElementById('mn_news'), dir+'images/mn_news_f2.png');
}
function pngFixTop(dir){
	IEPNGFIX.hover(document.getElementById('to_exercise'), 'images/to_exercise_f2.png');
	IEPNGFIX.hover(document.getElementById('to_spa'), 'images/to_spa_f2.png');
}