function ChgTab(it){
var objTab = it.parentNode.parentNode;	//ΗΠ»»°΄Ε₯
var objTabList = it.parentNode.parentNode.parentNode.nextSibling.childNodes;	//ΒΦΟΤ΅ΔΔΪΘέ
for(var i=0;i<objTab.rows[0].cells.length;i++){
	var td = objTab.rows[0].cells[i];
	if(it==td){
			it.className = it.className.replace("bgYellowOff","bgYellowOn");
			it.className = it.className.replace("bgGreenOff","bgGreenOn");
			it.className = it.className.replace("bgBlueOff","bgBlueOn");
			if(objTabList[i] != undefined)objTabList[i].className = objTabList[i].className.replace("tabOff","tabOn");
	}
	else{
			td.className = td.className.replace("bgYellowOn","bgYellowOff");
			td.className = td.className.replace("bgGreenOn","bgGreenOff");
			td.className = td.className.replace("bgBlueOn","bgBlueOff");
			if(objTabList[i] != undefined)objTabList[i].className = objTabList[i].className.replace("tabOn","tabOff");
	}
}
}