function swtab(id){
	var tabs = document.getElementsByName('tab');
	var divs = document.getElementsByName('tab_content');
	for(var i = 0; i < divs.length; i ++ ){
		if( i == id){
			tabs[i].className = 'selected';
			divs[i].style.display = '';
		}
		else{
			tabs[i].className = 'unselected';
			tabs[i].style.cursor='pointer';
			divs[i].style.display = 'none';
		}
	}
}

function swside(id){
	var subboards = document.getElementsByName("subboard");
	var simgs	  = document.getElementsByName("simg");
	for(var i=0; i< simgs.length;i++){
		if(simgs[i].getAttribute("fid") == id ){
			var reg = /sideicon0/;
			if(reg.test(simgs[i].src)){
				var reg1 = /sideicon06/;
				simgs[i].src = (reg1.test(simgs[i].src))? "images/sideicon05.gif":"images/sideicon06.gif";
			}else{
				var reg1 = /sideicon13/;
				simgs[i].src = (reg1.test(simgs[i].src))? "images/sideicon14.gif":"images/sideicon13.gif";
			}
		}
	}
	for(var i = 0; i < subboards.length; i++){
		if (subboards[i].getAttribute("pid") == id ) {
			subboards[i].style.display = (subboards[i].style.display == "none") ? "":"none";
		}
	}
}