function cancel_Enter(e)
{
	if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13)) {
		return false;
	} else {
		return true;
	}
}

window.onload = function()
{
	var agt=navigator.userAgent.toLowerCase();
	if (agt.indexOf("safari") != -1) {
		document.onkeypress = cancel_Enter;
	}
}

function enterKeyButtonClick(buttonId, event) {
	var agt=navigator.userAgent.toLowerCase();
	if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13))
	{
		if (agt.indexOf("firefox") == -1) {
			if (document.getElementById) {
				document.getElementById(buttonId).click();
			}
		}
		return false;
	}
	else
	{
		return true;
	}
}