//input background color
function zfocus(th){th.value='';th.style.backgroundColor='#fffbbd';}
function zfocus1(th){th.style.backgroundColor='#fffbbd';}
function zblurs(th){th.style.backgroundColor='#fafafa';}

//expand-contract plus minus
function ShowHide(dBlock, dImage)
{
	if (dBlock.style.display == "none")	
	{
		dBlock.style.display = "block";
		dImage.src = "images/minus.gif";
		
	}	
	else 
	{
		dBlock.style.display = "none";
		dImage.src = "images/plus.gif";

	}
	return;
}