// JavaScript Document - Image Button Preloding and Rollovers

function newImage(arg) {
	if(document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	};
};

function changeImages() {
	if(document.images && (preloadFlag == true)) {
		for(var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		};
	};
};

var preloadFlag = false;

function imageLoader() {
	if (document.images) {
		pre_header_cpHome_over = newImage('../assets/image/logo_colgateProfessionalBut_ov.gif');
		
		pre_nav_home_over = newImage('../assets/image/nav_homeBut_ov.gif');
		pre_nav_advisoryPanel_over = newImage('../assets/image/nav_advisoryPanelBut_ov.gif');
		pre_nav_currentIssue_over = newImage('../assets/image/nav_currentIssueBut_ov.gif');
		pre_nav_archives_over = newImage('../assets/image/nav_archivesBut_ov.gif');
		pre_nav_tellAFriend_over = newImage('../assets/image/nav_tellAFriendBut_ov.gif');
		
		pre_main_cuMore_over = newImage('../assets/image/main_findOutMoreBut_ov.gif');
		
		pre_download_over = newImage('../assets/image/downloadBut_ov.gif');
		pre_email_over = newImage('../assets/image/emailUsBut_ov.gif');
		pre_previous_over = newImage('../assets/image/previousBut_ov.gif');
		pre_next_over = newImage('../assets/image/continueBut_ov.gif');
		pre_downloadIssue_over = newImage('../assets/image/downloadIssueBut_ov.gif');

		preloadFlag = true;
	};
};