function lcmShowContent(content){
				for(i=0;i<pages.length;i++) {
					document.getElementById('nav'+pages[i]).className="off"; 
					document.getElementById(pages[i]).className="hide"; 
					if(pages[i]==content) {
						document.getElementById('nav'+pages[i]).className="on"; 
						document.getElementById(pages[i]).className="show"; 
					}
				}
			}