function click()
{
	if ((event.button==2) || (event.button==3)) 
	{ 
		alert("www.sundaraminfotech.com") ; 
	}
} 
document.onmousedown=click; 

function splkey(butt) 
{
	if (document.layers)
	{
		button = butt.which;
	}
	else
	{
		button = window.event.keyCode;
	}

	// F5 key =116 shift key=16 button == 18 button==17
	//alert(button);

	if (button == 93 || button==18 || button==116 || button==16)
	{
		alert ("Invalid Key Pressed!!!.www.sundaraminfotech.com");
		return false;
	}
	for(i=49;i<58;i++)
	{
		if (button==i)
		{
			alert("Invalid Key Pressed!!!.www.sundaraminfotech.com");
			return false;
		}
	}
}