c1="#666666"
c2="#0066FF"
c3="#FF6600"
c4="#666666"

var tOff = "transparent";
var aOn = "#FFFFFF";
var aOff = "#333333";

function tab(a,b) {
	if(document.getElementById){
		document.getElementById("GlobalNavigation1_t"+a).style.cursor="hand";
		document.getElementById("GlobalNavigation1_t"+a).style.backgroundColor = (b) ? eval("c" + a) : tOff;
		document.getElementById("GlobalNavigation1_a"+a).style.color = (b) ? aOn : aOff;
 }
}