function showHideThing(elem) {
	  
	  if (document.all) { //IS IE 4 or 5 (or 6 beta) 
			eval( "state = document.all." + elem + ".style.display");
      if (state == 'block') { 
        state = 'none'; 
      } else { 
			  state = 'block'; 
		  } 
			eval( "document.all." + elem + ".style.display = state"); 
		} 
		
		if (document.layers) { //IS NETSCAPE 4 or below 
			state = document.layers[elem].display; 
    	if (state == 'block') { 
      	state = 'none'; 
    	} else { 
				state = 'block'; 
			} 
			document.layers[elem].display = state; 
		} 
		
		if (document.getElementById &&!document.all) { 
			hza = document.getElementById(elem); 
			state = hza.style.display;
	    if (state == 'block') { 
	      state = 'none'; 
	    } else { 
				state = 'block'; 
			} 
			hza.style.display = state; 
		} 
  }
  
function resetSearchForm() {
  document.searchForm.breadcrumb.value = ''; 
  document.searchForm.filter.value = ''; 
  document.searchForm.category.value = ''; 
  document.searchForm.similarType.value = ''; 
  document.searchForm.similarTo.value = ''; 
  document.searchForm.submit();
}