if (document.images) {

// items passief
var tab01_off = new Image();
tab01_off.src = "../images/tab_finan_off.gif"
var tab02_off = new Image();
tab02_off.src = "../images/tab_tax_off.gif"
var tab03_off = new Image();
tab03_off.src = "../images/tab_reloc_off.gif"

// items actief
var tab01_on = new Image();
tab01_on.src = "../images/tab_finan_on.gif"
var tab02_on = new Image();
tab02_on.src = "../images/tab_tax_on.gif"
var tab03_on = new Image();
tab03_on.src = "../images/tab_reloc_on.gif"
}