function preloadFullSizeImages(){
	var images=new Array();
	for (i=0;i<total_images;i++){
		images[i]=new Image();
		images[i].src='Images/GalleryImages/gallery_'+gallery_name+'_full_size_'+(parseInt(i,10)+1)+'.png';
	}
}

function activateOverlay(image){
	document.getElementById('full_size').src='Images/GalleryImages/gallery_'+gallery_name+'_full_size_'+image+'.png';
	document.getElementById('overlay').className='overlay_active';

	if(parseInt(image,10)<total_images){//enable or disable "next" button
		document.getElementById('next').className="enabled";
		document.getElementById('next').onmousedown=function(){activateOverlay(parseInt(image,10)+1);};
	}else{
		document.getElementById('next').className="disabled";
		document.getElementById('prev').onmousedown=null;
	}

	if(parseInt(image,10)>1){//enable or disable "previous" button
		document.getElementById('prev').className="enabled";
		document.getElementById('prev').onmousedown=function(){activateOverlay(parseInt(image,10)-1);};
	}else{
		document.getElementById('prev').className="disabled";
		document.getElementById('prev').onmousedown=null;
	}
}
/* Coded by Maurice Ferguson www.electronfusioncreative.com */
function showhide(id, visibility) {document.getElementById(id).style.display = visibility;}


function activateOverlayHome(image){
	document.getElementById('full_size').src='Images/GalleryImages/gallery_'+gallery_name+'_full_size_'+image+'.jpg';
	document.getElementById('overlay').className='overlay_active_home';

	
}