//here you place the ids of every element you want.
var ids=new Array('anacortes','bellingham','bremerton','buckley','camp_murray','centralia','ellensburg','ephrata','everett','grandview','kent','longview','montesano','moses_lake','olympia','pasco','port_orchard','poulsbo','pullman','puyallup','redmond','seattle','snohomish','spokane','tacoma','toppenish','vancouver','walla_walla','wenatchee','yakima','okanogan','mcchord','fairchild','cheney','clarkston','camus','shelton','fort_lewis');
function switchid(id){	
hideallids();
showdiv(id);
}

function hideallids(){
//loop through the array and hide each element by id
for (var i=0;i<ids.length;i++){
hidediv(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';
}
}
}