if (!Array.prototype.push) {
	Array.prototype.push = function () {
		var startLength = this.length;
		for (var i = 0; i < arguments.length; i++) {
			this[startLength + i] = arguments[i];
		}
		return this.length;
	};
}
function G() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == "string") {
			element = document.getElementById(element);
		}
		if (arguments.length == 1) {
			return element;
		}
		elements.push(element);
	}
	return elements;
}
function IsDigit() {
	return ((event.keyCode >= 48) && (event.keyCode <= 57));
}
   
   //
function ismail(mail) {
	return (new RegExp(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/).test(mail));
}
   
    //
function shuru() {
	if (!(((window.event.keyCode >= 48) && (window.event.keyCode <= 57)) || (window.event.keyCode == 13) || (window.event.keyCode == 46) || (window.event.keyCode == 45))) {
		window.event.keyCode = 0;
	}
}