function initPh (arg) {
	var dValue = 'поиск';
	this.f = document.getElementById(arg);
	this.f.onfocus = function()
	{
		this.style.color = '';
		if (dValue == this.value) {
			this.value = '';
		}
	}
	this.f.onblur = function()
	{
		if (this.value == '') {
			this.style.color = 'silver';
			this.value = dValue;
		}
	}
	this.f.focus();
	this.f.blur();
}