// Should be <?php echo $_CONFIG['paths']['css']; ?> instead of http://www.logosol.biz/core/includes/css/

// Start timer
function Delay(catName) {
	t = setTimeout("changeStyle()", 100);
	categoryName = catName;
}
 
// Stop timer
function StopDelay() {
	clearTimeout(t);
}

// Change Style
function changeStyle() {
	document.getElementById('bodycolor').href = "http://www.logosol.biz/core/includes/css/category-"+categoryName+".css";
}