function clickArea(tagName, className) {
	var els = document.getElementsByTagName(tagName);
	for (var i = 0; i < els.length; i++) if (els[i].className.indexOf(className)>=0) {
		els[i].style.cursor = 'pointer';
		els[i].onclick = function () {location.href = this.getElementsByTagName("a")[0].href}
   }
}

window.onload = function() {
   clickArea("div", "service-b");
   clickArea("div", "showreel-b");
}