function navRoll(obj) {
	var i = 0;
	var btn = '';
	for(i=0;i<6;i++) {
		btn = 'nav1-link'+i;
		if (i != obj) {
			if (i == document.section) document.getElementById(btn).style.backgroundPosition='0 -50px';
			else document.getElementById(btn).style.backgroundPosition='0 0';
		} else {
			if (i == document.section) document.getElementById(btn).style.backgroundPosition='0 -50px';
			else document.getElementById(btn).style.backgroundPosition='0 -25px';
		}
	}
}

function navRollOut(obj) {
	btn = 'nav1-link'+obj;
	if (obj == document.section) document.getElementById(btn).style.backgroundPosition='0 -50px';
	else document.getElementById(btn).style.backgroundPosition='0 0';
}

function setSection(sect) {
	document.section=sect;
	navRoll(sect);
}

function startSearch(field) {
	if (field.value == 'Search') {
		field.value = '';
		field.style.color='#000';
	}
}