function hidediv() { if (document.getElementById) { document.getElementById('old_projects').style.display = 'none'; }
					else { if (document.layers) { document.old_projects.display = 'none'; }
							else { document.all.old_projects.style.display = 'none';} }
							
					if (document.getElementById) { document.getElementById('old_projects_hide').style.display = 'none'; }
					else { if (document.layers) { document.old_projects_hide.display = 'none'; }
							else { document.all.old_projects_hide.style.display = 'none';} }
					if (document.getElementById) { document.getElementById('old_projects_show').style.display = 'block'; }
					else { if (document.layers) { document.old_projects_show.display = 'block'; }
							else { document.all.old_projects_show.style.display = 'block'; } }
					}

function showdiv() { if (document.getElementById) { document.getElementById('old_projects').style.display = 'block'; }
					else { if (document.layers) { document.hideshow.display = 'block'; }
							else { document.all.hideshow.style.display = 'block'; } } 

					if (document.getElementById) { document.getElementById('old_projects_show').style.display = 'none'; }
					else { if (document.layers) { document.old_projects_show.display = 'none'; }
							else { document.all.old_projects_show.style.display = 'none';} }
					if (document.getElementById) { document.getElementById('old_projects_hide').style.display = 'block'; }
					else { if (document.layers) { document.old_projects_hide.display = 'block'; }
							else { document.all.old_projects_hide.style.display = 'block'; } }
					}

function hideexample(num) { if (document.getElementById) { document.getElementById('example'+num).style.display = 'none'; }
					else { if (document.layers) { document.old_projects.display = 'none'; }
							else { document.all.old_projects.style.display = 'none';} }
							
					if (document.getElementById) { document.getElementById('example_hide'+num).style.display = 'none'; }
					else { if (document.layers) { document.old_projects_hide.display = 'none'; }
							else { document.all.old_projects_hide.style.display = 'none';} }
					if (document.getElementById) { document.getElementById('example_show'+num).style.display = 'block'; }
					else { if (document.layers) { document.old_projects_show.display = 'block'; }
							else { document.all.old_projects_show.style.display = 'block'; } }
						
					}

function showexample(num) { if (document.getElementById) { document.getElementById('example'+num).style.display = 'block'; }
					else { if (document.layers) { document.hideshow.display = 'block'; }
							else { document.all.hideshow.style.display = 'block'; } } 

					if (document.getElementById) { document.getElementById('example_show'+num).style.display = 'none'; }
					else { if (document.layers) { document.old_projects_show.display = 'none'; }
							else { document.all.old_projects_show.style.display = 'none';} }
					if (document.getElementById) { document.getElementById('example_hide'+num).style.display = 'block'; }
					else { if (document.layers) { document.old_projects_hide.display = 'block'; }
							else { document.all.old_projects_hide.style.display = 'block'; } }
					}