function imgswap(imgname,imgsrc) {
	withroot = 'images/' + imgsrc + '.gif';
	document.images[imgname].src = withroot;
	}

var preloadImgs = new Array();
var preloads = new Array();
preloads = ['nav_whatis_ro', 'nav_getinspired_ro', 'nav_tell_ro', 'nav_schools_ro', 'nav_howto_ro','nuts_help_ro', 'nuts_contact_us_ro', 'nuts_text_only_ro', 'nuts_credits_ro'];
for(i=0;i<preloads.length;i++) {
	preloadImgs[i] = new Image();
	preloadImgs[i].src = "images/nav/" + preloads[i] + ".gif";
	}

function validate(theform) {
	if ( theform.words.value=="" )
		{
		alert("Please tell us your suggestion");
		return false;
		}

	if ( theform.definition.value=="" )
		{
		alert("Please tell us what your word or phrase means");
		return false;
		}		
		return true;
}