function searchfocus() {
	var SeaStr = document.getElementById("SeaStr");
	SeaStr.style.background = "#FFF";
	SeaStr.style.border = "1px #feae69 solid";
	SeaStr.style.color = "#333";
	if ( SeaStr.value == "请输入关键字" ) {
		SeaStr.value = "";
	}
}
function searchblur() {
	var SeaStr = document.getElementById("SeaStr");
	SeaStr.style.background = "none";
	SeaStr.style.border = "1px #ffcc9f solid";
	SeaStr.style.color = "#b4b4b4";
	if ( SeaStr.value == "" ) {
		SeaStr.value = "请输入关键字";
	}
}