function check_val()
{
	f=f1.txtbtype.value
	s=f1.txtbname.value
	t=f1.txtcountry.value

	if ((f.length==0) && (s.length==0) && (t.length==0))
	{
		alert ("Enter Search Parameters")
		f1.txtbtype.focus();
		return false;
	}

}


function showhide1()
{
	if(document.layers)
	{
		document.layers["Layer1"].visibility='visible'
	}
	else
	{
		
		document.all["Layer1"].style.visibility='visible'
	}

}

function showhide2()
{
	if(document.layers)
	{
		document.layers["Layer2"].visibility='visible'
	}
	else
	{
		
		document.all["Layer2"].style.visibility='visible'		
	}

}





function openwin()
{
	window.open('copyright.htm', 'copyright', 'width=650,height=350,resizable=no,scrollbars=no,left=80,top=100');
}
function openwin2()
{
	window.open('disclaim.htm', 'disclaim', 'width=650,height=300,resizable=no,scrollbars=no,left=80,top=100');
}

function openwin3()
{
	window.open('privacy.htm', 'privacy', 'width=650,height=300,resizable=no,scrollbars=yes,left=80,top=100');
}
function openwin4()
{
	window.open('tc.htm', 'tc', 'width=650,height=300,resizable=no,scrollbars=yes,left=80,top=100');
}