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var stepper=null;
function step(stp){
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	stepper.getElementsByTagName("input")[0].value=(nval<1)?1:nval;
}
function initStepper(){
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	stepper.getElementsByTagName("img")[1].style.cursor="pointer";
	stepper.getElementsByTagName("img")[0].onclick=function(){step(1)};
	stepper.getElementsByTagName("img")[1].onclick=function(){step(-1)};

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}
//-->