function tabContent(id,type){	
	for(i=1;i<8;i++)
	{
		if(document.getElementById(type+"_"+i)){
			document.getElementById(type+"_"+i).className="tabNormal";
			document.getElementById(type+"_"+i+'_content').style.display="none";
		}
	}
	document.getElementById(id).className="tabSelected";
	document.getElementById(id+'_content').style.display="";
}