// JavaScript Document
function switchid(id){ 
		 hideallids();
		 showdiv(id);
		}
		
		function hideallids(){
		 //loop through the array and hide each element by id
		 for (var i=0;i<pic_ids.length;i++){
		  hidediv(pic_ids[i]);
		 }    
		}
		
		function hidediv(id) {
		 //safe function to hide an element with a specified id
		 if (document.getElementById) { // DOM3 = IE5, NS6
		  document.getElementById(id).style.display = 'none';
		 }
		 else {
		  if (document.layers) { // Netscape 4
		   document.id.display = 'none';
		  }
		  else { // IE 4
		   document.all.id.style.display = 'none';
		  }
		 }
		}
		
		function showdiv(id) {
		 //safe function to show an element with a specified id
			
		 if (document.getElementById) { // DOM3 = IE5, NS6
		  document.getElementById(id).style.display = 'block';
		 }
		 else {
		  if (document.layers) { // Netscape 4
		   document.id.display = 'block';
		  }
		  else { // IE 4
		   document.all.id.style.display = 'block';
		  }
		 }
		}