function disableButton(sender)
{
	sender.style.cursor = 'wait';  
	document.documentElement.style.cursor='wait';
	var alltags = document.getElementsByTagName('input');  
	for (i=0; i< alltags.length; i++) 
	{  
		if (alltags[i].type == 'text')
		{
			alltags[i].style.cursor = 'wait';
		} 
		else if(alltags[i].type == 'submit' || alltags[i].type == 'button')
		{
			alltags[i].disabled = true;	
		}
	}	
	//sender.value= 'Please wait...';
	sender.disabled = true; 
}