function $(id){
	return document.getElementById(id);	
}

function infoDynamic(){
	var list=$("dynamic_info_list");
	//list.innerHTML+=list.innerHTML;
}
function sectionShow(object){
	var o;
	var index=object.id.substring(object.id.length-1,object.id.length);
	object.style.width=89;
	object.style.height=17;
	object.style.backgroundImage="url(images/section_item_bg_sel.gif)";
	object.sel=1;
	object.style.color="#f70";
	object.style.fontWeight="bold";
	for(i=1;i<5;i++){
		o=$("section_"+i);
		if(i==index){
			o.style.display="block";
		}
		else{
			o.style.display="none";
			$("section_bt_"+i).style.width=73;
			$("section_bt_"+i).style.height=15;
			$("section_bt_"+i).style.backgroundImage="url(images/section_item_bg.gif)";
			$("section_bt_"+i).sel=0;
			$("section_bt_"+i).style.color="#000";
			$("section_bt_"+i).style.fontWeight="normal"
		}
	}
}