ns4 = (document.layers)? true:false;
ie4 = (document.all)? true:false;
var isNav = ( navigator.appName.indexOf("Netscape") != -1 );
var isIE  = ( navigator.appName.indexOf("Explorer") != -1 );

var gPrevious = null;
function validateForm(){
	var aValidate = [ [ "Name", "name" ],
					  [ "Company", "company name" ],
					  [ "Designation", "designation" ],
					  [ "Email", "email address" ],
					  [ "Phone", "office telephone No" ] ];
					  
	with( document.frmSignup_AdMagazine ){
		if( !PayByCheque.checked && !PayByTransfer.checked ) {
			alert("Please select either pay by cheque or bank transfer option.");
			PayByCheque.focus();
			return;
		}
		
		for( var i = 0; i < aValidate.length; i++ ){
			var temp = aValidate[i];
			var bValid = true;
			if( elements[ temp[0] ].value == "" ){
				bValid = false;
			} else {
				if (temp[0] == "Email" ) bValid = checkemail( elements[ temp[0] ] );
			}

			 
			if( !bValid ) {
				document.all[ "lb" + temp[0] ].style.color = "red";
				alert("Please verify " + temp[1] + ".");
				elements[ temp[0] ].focus();
				return;
			} else {
				document.all[ "lb" + temp[0] ].style.color = "black";
			}   

		}
		
		submit();
	}
}
//signup_AdMagazine.asp#transfer
function checkemail(sEmail){
	if ((sEmail.value.length < 6) || (sEmail.value.indexOf("@") < 1) || (sEmail.value.indexOf(" ") > 0))
		return false;
	else 
		return true;
} 

function showLayer(){
	var sLayer = "lPayable";

	if (ns4){
		if (document.layers[sLayer].visibility == 'hide')
			document.layers[sLayer].visibility = 'show';
		else
			document.layers[sLayer].visibility = 'hide';
	} else {
		if (document.all[sLayer].style.visibility == 'hidden')
			document.all[sLayer].style.visibility = 'visible';	
		else
			document.all[sLayer].style.visibility = 'hidden';
	}
}

function payByPayPal( iCase ){
	
	if( document.frmSignup_AdMagazine.rdoSingapore.checked ) {
		window.open('https://www.paypal.com/cart/add=1&business=finance%40adasia.com.sg&item_name=Designer+Magazine+Subscription+-+%28Local%29&item_number=SG-6-issues&amount=52.94&image_url=http%3A//www.designermag.com/images/logo.gif&return=http%3A//www.designermag.com/sub.asp&acancel_return=http%3A//adasia.radcityasia.net/cancel_magazine.asp','cartwin','width=600,height=400,scrollbars,location,resizable,status');
		return;
	} else {
		if ( document.frmSignup_AdMagazine.rdoMB.checked ) {
			window.open('https://www.paypal.com/cart/add=1&business=finance%40adasia.com.sg&item_name=Designer+Magazine+Subscription+-+%28Malaysia+Brunei%29&item_number=MYBR-6-issues&amount=64.71&;image_url=http%3A//www.designermag.com/images/logo.gif&return=http%3A//www.designermag.com/sub.asp&cancel_return=http%3A//adasia.radcityasia.net/cancel_magazine.asp','cartwin','width=600,height=400,scrollbars,location,resizable,status');
			return;
		} else {
			if ( document.frmSignup_AdMagazine.rdoAJN.checked ) {
				window.open('https://www.paypal.com/cart/add=1&business=finance%40adasia.com.sg&item_name=Designer+Magazine+Subscription+-+%28Australia+Japan+NewZealand%29&item_number=AUJPNZ-6-issue&amount=88.24&image_url=http%3A//www.designermag.com/images/logo.gif&return=http%3A//www.designermag.com/sub.asp&cancel_return=http%3A//adasia.radcityasia.net/cancel_magazine.asp','cartwin','width=600,height=400,scrollbars,location,resizable,status');
				return;
			} else {
				if ( document.frmSignup_AdMagazine.rdoAsia.checked ) {
					window.open('https://www.paypal.com/cart/add=1&business=finance%40adasia.com.sg&item_name=Designer+Magazine+Subscription+-+%28Asia%29&item_number=AP-6-issues&amount=70.59&image_url=http%3A//www.designermag.com/images/logo.gif&return=http%3A//www.designermag.com/sub.asp&cancel_return=http%3A//adasia.radcityasia.net/cancel_magazine.asp','cartwin','width=600,height=400,scrollbars,location,resizable,status');
					return;
				} else {
					if ( document.frmSignup_AdMagazine.rdoWorld.checked ) {
						window.open('https://www.paypal.com/cart/add=1&business=finance%40adasia.com.sg&item_name=Designer+Magazine+Subscription+-+%28Rest+of+World%29&item_number=ROW-6-issues&amount=123.53&image_url=http%3A//www.designermag.com/images/logo.gif&return=http%3A//www.designermag.com/sub.asp&cancel_return=http%3A//adasia.radcityasia.net/cancel_magazine.asp','cartwin','width=600,height=400,scrollbars,location,resizable,status');
						return;
					}
				}
			}	
		}
	}
	
	alert("Please select your residential area.");
	document.frmSignup_AdMagazine.rdoSingapore.focus();
	return;
}