function showSubColumn(index){
	for(var i=1; i<8; i=i+1 )
	{
		 document.getElementById("wap_"+(i+1)).style.display="none";	
	}
	document.getElementById("wap_"+index).style.display="block";
}

function hiddenSubColumn(index){
	document.getElementById("wap_"+index).style.display="none";
}

function hiddenAllCol(){
	for(var i=1; i<8; i=i+1){
		document.getElementById("wap_"+(i+1)).style.display="none";
	}
}