function validateIns(f){
	var ni_var1 = f.ni_var1.value;

	if(f.zipcode.value == ''){
		alert('Please enter your zipcode.');
		f.zipcode.focus();
		return false;
	} else if(!validZIP(f.zipcode.value)){
		alert('Please enter valid 5-digits zipcode.');
		f.zipcode.focus();
		return false;
	} else {

		len = parseInt(f.srcid.length);

		if(!isNaN(len)){
			for(i = 0; i < len; i++){
				if(f.srcid[i].checked){
					var srcid = f.srcid[i].value;
				}
			}
		} else {
			var srcid = f.srcid.value;
		}

		if((srcid == 'auto') || (srcid == 'life') || (srcid == 'home') || (srcid == 'homeowners') || (srcid == 'health'))
		{
			if(srcid == 'auto')
			{
				tgUrl = 'https://www.insuranceusa.com/autoframe/?zip=' + f.zipcode.value + '&a=38402&c=' + ni_var1 + '&t=395';
			}
			else if(srcid == 'life')
			{
				tgUrl = 'https://www.insuranceusa.com/lifeframe/?zip=' + f.zipcode.value + '&a=38402&c=' + ni_var1 + '&t=395';
			}
			else if((srcid == 'home') || (srcid == 'homeowners'))
			{
				tgUrl = 'https://www.insuranceusa.com/homeframe/?zip=' + f.zipcode.value + '&a=38402&c=' + ni_var1 + '&t=395';
			}
			else if(srcid == 'health')
			{
				tgUrl = 'http://www.insuranceusa.com/health/health-insurance.php?zip=' + f.zipcode.value + '&sid=' + ni_var1 + '&type=IFP';
			}
			else
			{
				return false;
			}
		}
	}

	document.location = tgUrl;
	return false;
}