// JavaScript Document
function changeSection() {
	var formField = document.form1.cat;
	
	if (formField.options[formField.selectedIndex].value != '') {
    	var newPage = "index.php?function=showCat&cat=" + formField.options[formField.selectedIndex].value;
    	window.location.replace(newPage);
	}
}

function swapImage(number, image, title, text, total, url) {
	//Swap image
	document.getElementById('project_image').innerHTML = '<img src="project_images/'+image+'">';
	//Swap title
	document.getElementById('project_title').innerHTML = title;
	//Swap text
	document.getElementById('project_text').innerHTML = text;
	//Update links
	if (number <= 1) {
		document.getElementById('prev_btn').innerHTML = 'Previous Image';
	} else {
		document.getElementById('prev_btn').innerHTML = '<a href="'+url+'&im='+(number - 1)+'#case">Previous Image</a>';
	}
	if (number >= total) {
		document.getElementById('next_btn').innerHTML = 'Next Image';
	} else {
		document.getElementById('next_btn').innerHTML = '<a href="'+url+'&im='+(Number(number) + 1)+'#case">Next Image</a>';
	}
}