function init() {
	if(document.getElementById("SearchParams"))
	{
	clearDefaultValue('SearchParams');
	}
	if(document.getElementById("SearchParamsHeader"))
	{
	clearDefaultValue('SearchParamsHeader');
	}
}

function clearDefaultValue(input) {
	var inputName= input;
    if (document.getElementById) {
        var oInput = document.getElementById(inputName);

        oInput.onfocus = function() {
            if (this.value == this.defaultValue) {
                this.value = "";
            }
        }

        oInput.onblur = function() {
            if (this.value == "") {
                this.value = this.defaultValue;
            }
        }
    }
}

if (window.addEventListener) {
    window.addEventListener("load", init, false);
} else {
    window.attachEvent("onload", init);
}