function searchcheck()
{

    var searchInput = document.getElementById('sinput');

        searchInput.onfocus = function() {
                if ( this.value == this.defaultValue ) {
                        this.value = '';
                } 
        }     

        searchInput.onblur = function() {
                if ( this.value == '') {
                        this.value = this.defaultValue;
                }
        }
}


var oldWindowOnload = window.onload;

window.onload = function () {
    if (typeof(oldWindowOnload) == "function") {
        oldWindowOnload();
    }

	searchcheck();
	commentcheck();

};