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

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

var preloadPostFlag = false;
function preloadPostImages() {
	if (document.images) {
        previousover = newImagePost("images/postpreviousover.gif");
        previousdown = newImagePost("images/postprevious.gif"); 
        nextover = newImagePost("images/postnextover.gif");
        nextdown = newImagePost("images/postnext.gif"); 
        searchover = newImagePost("images/postsearchover.gif");
        searchdown = newImagePost("images/postsearch.gif"); 
		replyover = newImagePost("images/postreplyover.gif");
        replydown = newImagePost("images/postreply.gif"); 
		firstover = newImagePost("images/postfirstover.gif"); 
		firstdown = newImagePost("images/postfirst.gif");
		lastover = newImagePost("images/postlastover.gif");
		lastdown = newImagePost("images/postlast.gif");
		preloadPostFlag = true;
	}
}

preloadPostImages();