function CE(src,color_entrada) 
	{ src.bgColor=color_entrada;src.style.cursor="default"; }
function CS(src,color_default) 
	{ src.bgColor=color_default;src.style.cursor="default"; }
function clearText(thefield)
	{
	if (thefield.defaultValue==thefield.value)
	thefield.value = ""
	}

function RestoreTxt(thefield)
	{
	if (thefield.value=='')
	thefield.value = thefield.defaultValue;
	}

function _so(_t)
	{
	if (_t == 1) { document.all.div_sales.style.display=''; document.all.div_rentals.style.display='none'; }
	if (_t == 2) { document.all.div_sales.style.display='none'; document.all.div_rentals.style.display=''; }
	}