function slide_bl(block, ibutt) {
	if($("#"+block).css('display')=="block"){
		$("#"+block).slideUp();			
		$(ibutt).css({'backgroundImage':"url(img/h2_c.gif)"});
	}else {
		$("#"+block).slideDown();
		$(ibutt).css({'backgroundImage':"url(img/h2.gif)"});
	}

}

function remove(block) {
	$("#"+block).animate({height: "hide",opacity:"hide"}, 300);
}

function slide_bl_in(block, ibutt) {
	if($("#"+block).css('display')=="block"){
		$("#"+block).slideUp();			
		$("#"+ibutt).attr({'src':'img/map_arr_r.gif'});
	}else {
		$("#"+block).slideDown();
		$("#"+ibutt).attr({'src':'img/map_arr_b.gif'});
	}

}