var speed=1000; /* Set the speed for the blinking content */
var i=0; /* Toggle variable for local use */


function ContentBlink() /* Main Function for blinking content */
{
	if(i%2==0) /* Using the Modulus Operator For Alternatively blinking the content; First time it returns 1 and second time it returns 0 */
	{
		blink01 = document.getElementById("contentdiv");
		blink01.style.visibility = "visible";
	}
	else /* If i value returns 1, div content will hide through this loop */
	{
		blink01.style.visibility = "hidden";
	}
	if(i<1) /* Toggling the i value through this loop */
	{
	i++;
	}
	else
	{
	i--
	}
	setTimeout("ContentBlink()",speed); /* Calling the function internally for continuous blinking*/
}