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IE4 = (document.all) ? true : false
function showthis(id) {if (IE4) { eval("document.all." + id + ".style.visibility = 'visible'")}else{eval("document." + id + ".visibility = 'visible'")}}
function hidethis(id) {if (IE4) { eval("document.all." + id + ".style.visibility = 'hidden'")}else{eval("document." + id + ".visibility = 'hidden'")}}// -->