function showhide(id) {
	if (document.getElementById(id).style.display == "none" || !document.getElementById(id).style.display) {
		document.getElementById(id).style.display = "block";
	} else {
		document.getElementById(id).style.display = "none";
	}
	 
	
	if (id == "nav-who-is-lee-gass") {
		document.getElementById("nav-gallery").style.display = "none";
		document.getElementById("nav-commissions").style.display = "none";
	} else if (id == "nav-gallery") {
		document.getElementById("nav-who-is-lee-gass").style.display = "none";
		document.getElementById("nav-commissions").style.display = "none";
	} else if (id == "nav-abstract") {
		document.getElementById("nav-human-figures").style.display = "none";
		document.getElementById("nav-functional").style.display = "none";
		document.getElementById("nav-nature").style.display = "none";
	} else if (id == "nav-functional") {
		document.getElementById("nav-abstract").style.display = "none";
		document.getElementById("nav-human-figures").style.display = "none";
		document.getElementById("nav-nature").style.display = "none";
	} else if (id == "nav-human-figures") {
		document.getElementById("nav-abstract").style.display = "none";
		document.getElementById("nav-functional").style.display = "none";
		document.getElementById("nav-nature").style.display = "none";
	} else if (id == "nav-nature") {
		document.getElementById("nav-abstract").style.display = "none";
		document.getElementById("nav-functional").style.display = "none";
		document.getElementById("nav-human-figures").style.display = "none";
	} else if (id == "nav-commissions") {
		document.getElementById("nav-gallery").style.display = "none";
		document.getElementById("nav-who-is-lee-gass").style.display = "none";
	} 
	
	 else if (id == "nav-eternal-flame-series") {
		document.getElementById("nav-recursion-series").style.display = "none";
		document.getElementById("nav-in-love-and-soaring-series").style.display = "none";
	} else if (id == "nav-in-love-and-soaring-series") {
		document.getElementById("nav-recursion-series").style.display = "none";
		document.getElementById("nav-eternal-flame-series").style.display = "none";
	}  else if (id == "nav-recursion-series") {
		document.getElementById("nav-in-love-and-soaring-series").style.display = "none";
		document.getElementById("nav-eternal-flame-series").style.display = "none";
	} 
	
	
	
	
	else if (id == "nav-anima-series") {
			 //document.getElementById("nav-anima-series").style.display = "none";
			 document.getElementById("nav-arabesque-series").style.display = "none";
			 document.getElementById("nav-dream-person-series").style.display = "none";
			 document.getElementById("nav-nefertiti-series").style.display = "none";
			 document.getElementById("nav-listening-series").style.display = "none";
		} else if (id == "nav-arabesque-series") {
			 document.getElementById("nav-anima-series").style.display = "none";
			 //document.getElementById("nav-arabesque-series").style.display = "none";
			 document.getElementById("nav-dream-person-series").style.display = "none";
			 document.getElementById("nav-nefertiti-series").style.display = "none";
			 document.getElementById("nav-listening-series").style.display = "none";
		} else if (id == "nav-dream-person-series") {
			 document.getElementById("nav-anima-series").style.display = "none";
			 document.getElementById("nav-arabesque-series").style.display = "none";
			 //document.getElementById("nav-dream-person-series").style.display = "none";
			 document.getElementById("nav-nefertiti-series").style.display = "none";
			 document.getElementById("nav-listening-series").style.display = "none";
		} else if (id == "nav-nefertiti-series") {
			 document.getElementById("nav-anima-series").style.display = "none";
			 document.getElementById("nav-arabesque-series").style.display = "none";
			 document.getElementById("nav-dream-person-series").style.display = "none";
			 //document.getElementById("nav-nefertiti-series").style.display = "none";
			 document.getElementById("nav-listening-series").style.display = "none";
		} else if (id == "nav-listening-series") {
			 document.getElementById("nav-anima-series").style.display = "none";
			 document.getElementById("nav-arabesque-series").style.display = "none";
			 document.getElementById("nav-dream-person-series").style.display = "none";
			 document.getElementById("nav-nefertiti-series").style.display = "none";
			 //document.getElementById("nav-listening-series").style.display = "none";
	} else if (id == "nav-sculptor") {
		 //document.getElementById("nav-sculptor").style.display = "none";
		 document.getElementById("nav-educator").style.display = "none";
	} else if (id == "nav-educator") {
		 document.getElementById("nav-sculptor").style.display = "none";
		 //document.getElementById("nav-educator").style.display = "none";
	}	else if (id == "nav-musings-blog") {
			 //document.getElementById("nav-musings-blog").style.display = "none";
			 document.getElementById("nav-professional-activities").style.display = "none";
		} else if (id == "nav-professional-activities") {
			 document.getElementById("nav-musings-blog").style.display = "none";
			 //document.getElementById("nav-professional-activities").style.display = "none";
						} else if (id == "nav-autobiographical-stories") { 
							 //document.getElementById("nav-autobiographical-stories").style.display = "none";
							 document.getElementById("nav-student-faculty-stories").style.display = "none";
							 document.getElementById("nav-articles-reports").style.display = "none";
							 document.getElementById("nav-course-handouts").style.display = "none";
						} else if (id == "nav-student-faculty-stories") {
							 document.getElementById("nav-autobiographical-stories").style.display = "none";
							 //document.getElementById("nav-student-faculty-stories").style.display = "none";
							 document.getElementById("nav-articles-reports").style.display = "none";
							 document.getElementById("nav-course-handouts").style.display = "none";
						} else if (id == "nav-articles-reports") {
							 document.getElementById("nav-autobiographical-stories").style.display = "none";
							 document.getElementById("nav-student-faculty-stories").style.display = "none";
							 //document.getElementById("nav-articles-reports").style.display = "none";
							 document.getElementById("nav-course-handouts").style.display = "none";
						} else if (id == "nav-course-handouts") {
							 document.getElementById("nav-autobiographical-stories").style.display = "none";
							 document.getElementById("nav-student-faculty-stories").style.display = "none";
							 document.getElementById("nav-articles-reports").style.display = "none";
							 //document.getElementById("nav-course-handouts").style.display = "none";
						}
}
/*function showhidemain(id) { 
	document.getElementById("nav-about").style.display = "none";
	document.getElementById("nav-gallery").style.display = "none";
	
	if (document.getElementById(id).style.display == "none" || !document.getElementById(id).style.display) {
	document.getElementById(id).style.display = "block";
	} else {
	document.getElementById(id).style.display = "none";
	}
}*/