function menu_link(num)
{
	switch(num)

	{

	  case 1:window.location="integrated-pest-management-ipm.htm" ;break;

	  case 2:window.location="environmental-aromatics.htm" ;break;

	  case 3:window.location="maintenance-supplies.htm" ;break;

	  case 4:window.location="fly-control-products.htm" ;break;

	}
}