function activatePlaceholders() {
var detect = navigator.userAgent.toLowerCase(); 
if (detect.indexOf("safari") > 0) return false;
var inputs = document.getElementsByTagName("input");
for (var i=0;i<inputs.length;i++) {
	if (inputs[i].getAttribute("type") == "text") {
		if (inputs[i].getAttribute("placeholder") && inputs[i].getAttribute("placeholder").length > 0 ) {
			if(inputs[i].value=='') {
				inputs[i].value = inputs[i].getAttribute("placeholder");
				inputs[i].style.color="gray";
			}
			inputs[i].onclick = function() {
				if (this.value == this.getAttribute("placeholder")) {
					this.value = "";
					this.style.color="black";
				}
				return false;
			}
			inputs[i].onblur = function() {
				if (this.value.length < 1) {
					this.value = this.getAttribute("placeholder");
					this.style.color="gray";
				}
			}
		}
	}
}
}
window.onload=function() {
activatePlaceholders();
}