function extract(obj){

vacancyDiv = $(obj).parent().siblings(".vacancyContent");

	if ($(vacancyDiv).css("display") != "block"){
		$(vacancyDiv).slideDown("normal");
		$(obj).attr("src", "images/elements/contract.gif");
	} else {
		$(vacancyDiv).slideUp("normal");
		$(obj).attr("src", "images/elements/expand.gif");

	}
}