states=new Array()
states[0]="flash_market"
states[1]="flash_competition"
states[2]="flash_channels"
states[3]="flash_product"
states[4]="flash_brand"
states[5]="flash_customer"
states[6]="flash_pricing"
states[7]="flash_acquisition"

function hideAllExcept(elm) {
  for (var i = 0; i < states.length; i++) {
  var layer = document.getElementById(states[i]);
  if (elm!= states[i]) {
    layer.style.display = "none";
    } else {
    layer.style.display = "block";
    }
  }
}

function changeClass(currentclass)
{
    document.getElementById("list_market").className = "off";
    document.getElementById("list_competition").className = "off";
    document.getElementById("list_channels").className = "off";
    document.getElementById("list_product").className = "off";
    document.getElementById("list_brand").className = "off";
    document.getElementById("list_customer").className = "off";
    document.getElementById("list_pricing").className = "off";
    document.getElementById("list_acquisition").className = "off";
    document.getElementById(currentclass).className = "on";
}