function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		topnav_tech_over = newImage("/assets/images/common/topnav_tech-over.gif");
		topnav_solutions_over = newImage("/assets/images/common/topnav_solutions-over.gif");
		topnav_about_over = newImage("/assets/images/common/topnav_about-over.gif");
		topnav_support_over = newImage("/assets/images/common/topnav_support-over.gif");
		topnav_careers_over = newImage("/assets/images/common/topnav_careers-over.gif");
		topnav_contact_over = newImage("/assets/images/common/topnav_contact-over.gif");
		nav_faststart_over = newImage("/assets/images/common/nav_faststart-over.gif");
		stem1 = newImage("/assets/images/common/3roll_top.gif");
		stem2 = newImage("/assets/images/common/3roll_mid.gif");
		stem3 = newImage("/assets/images/common/3roll_bot.gif");
		preloadFlag = true;
	}
}

function wp_submission() {
	if ( document.whitepaperform.wp_namevalue == "" ) {
		alert( "Please enter your name." );
		return false;
	}
	if ( document.whitepaperform.wp_company.value == "" ) {
		alert( "Please enter the name of your company." );
		return false;
	}
	if ( document.whitepaperform.wp_companytype.value == "" ) {
		alert( "Please enter the type of company." );
		return false;
	}
	if ( document.whitepaperform.wp_title.value == "" ) {
		alert( "Please specify your title or position at the company." );
		return false;
	}
	if ( document.whitepaperform.wp_phone.value == "" ) {
		alert( "Please enter a telephone number." );
		return false;
	}
	if ( document.whitepaperform.wp_email.value == "" ) {
		alert( "Please provide an email address." );
		return false;
	}
	if ( document.whitepaperform.wp_country.value == "" ) {
		alert( "Please enter your country." );
		return false;
	}
	
	return true;
}

function demo_submission() {
	if ( document.demoform.name.value == "" ) {
		alert( "Please enter your name." );
		return false;
	}
	if ( document.demoform.company.value == "" ) {
		alert( "Please enter your company name." );
		return false;
	}
	if ( document.demoform.email.value == "" ) {
		alert( "Please provide an email address." );
		return false;
	}
	if ( document.demoform.country.value == "XX" ) {
		alert( "Please choose a country." );
		return false;
	}

	return true;
}


function feedback_submission() {
	if ( document.feedbackform.name.value == "" ) {
		alert( "Please enter your name." );
		return false;
	}
	if ( document.feedbackform.email.value == "" ) {
		alert( "Please provide an email address." );
		return false;
	}
	if ( document.feedbackform.comments.value == "Note: for password or billing information, please contact your ISP or service provider." ) {
		alert( "Please enter your question\/comment in the text field." );
		return false;
	}

	return true;
}

function bp_submission() {
	if ( document.bpform.name.value == "" ) {
		alert( "Please enter your name." );
		return false;
	}
	if ( document.bpform.email.value == "" ) {
		alert( "Please provide an email address." );
		return false;
	}

	return true;
}


function app_submission() {
	if ( document.appform.name.value == "" ) {
		alert( "Please enter your name." );
		return false;
	}
	if ( document.appform.email.value == "" ) {
		alert( "Please provide an email address." );
		return false;
	}

	return true;
}

function download_submission() {
	if ( document.downloadform.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}

function download_submission1() {
	if ( document.downloadform1.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform1.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}

function download_submission2() {
	if ( document.downloadform2.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform2.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}

function download_submission3() {
	if ( document.downloadform3.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform3.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}


function download_submission4() {
	if ( document.downloadform4.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform4.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}


function download_submission5() {
	if ( document.downloadform5.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform5.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}


function download_submission6() {
	if ( document.downloadform6.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform6.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}

function download_submission7() {
	if ( document.downloadform7.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform7.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}


function download_submission8() {
	if ( document.downloadform7.username.value == "" ) {
		alert( "Please enter the username provided by SlipStream." );
		return false;
	}
	if ( document.downloadform8.email.value == "" ) {
		alert( "Please enter your email address." );
		return false;
	}

	        return true;
}