$(function(){
	var slid = Math.floor(Math.random()*7 + 1);
	$('#index #page').addClass('bg_'+slid);
	
	var minHeight = $(window).height() - 149;
	$('#center_column').css("minHeight",minHeight);
	
});

function show_short_product(id){
	document.getElementById(id).style.display = 'block';	
}