var photo = new Array; 
for(i=1;i<=30;i++) { 
photo[i] = new Image(); 
if ( i<10 )
photo[i].src="../images/0"+i+".jpg"; 
else
photo[i].src="../images/"+i+".jpg"; 
}

function show_image(id) {
    document.images["project-image"].src = photo[id].src;                       
}

function show_div(description) {
	hide_divs();
    document.getElementById(description).style.display = "block";
}

function hide_divs() {
    document.getElementById("location").style.display = "none";
    document.getElementById("location_golf").style.display = "none";
    document.getElementById("location_beach").style.display = "none";	
    document.getElementById("location_culture").style.display = "none";
    document.getElementById("location_excursions").style.display = "none";
    document.getElementById("location_cycling").style.display = "none";
}