function CheckField() {
		var temp = document.contract.choice1.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter 1st choice.");
			document.contract.choice1.focus();
			return false;
		}
		
		var temp = document.contract.choice2.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter 2nd choice.");
			document.contract.choice2.focus();
			return false;
		}
		
		var temp = document.contract.choice3.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter 3rd choice.");
			document.contract.choice3.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_company.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter exhibiting company.");
			document.contract.exhibitor_company.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_name.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter exhibiting name.");
			document.contract.exhibitor_name.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_address.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter address.");
			document.contract.exhibitor_address.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_city.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter city.");
			document.contract.exhibitor_city.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_state.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter state.");
			document.contract.exhibitor_state.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_zip.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter zip code.");
			document.contract.exhibitor_zip.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_phone.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter phone number.");
			document.contract.exhibitor_phone.focus();
			return false;
		}
		
		var temp = document.contract.exhibitor_email.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter e-mail address.");
			document.contract.exhibitor_email.focus();
			return false;
		}
		
		var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
		var check=/@[\w\-]+\./;
		var checkend=/\.[a-zA-Z]{2,3}$/;
	
		if(((temp.search(exclude) != -1)||(temp.search(check)) == -1)||(temp.search(checkend) == -1)) {
			alert("Invalid email address!");
			document.contract.exhibitor_email.focus();
			return false;
		}
		
		var temp = document.contract.iname.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter name.");
			document.contract.iname.focus();
			return false;
		}
		
		var temp = document.contract.ititle.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter title.");
			document.contract.ititle.focus();
			return false;
		}
		
		var temp = document.contract.idate.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter date.");
			document.contract.idate.focus();
			return false;
		}
		
		var temp = document.contract.listcompany.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please list company products.");
			document.contract.listcompany.focus();
			return false;
		}
		
		var temp = document.contract.ccamount.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter amount.");
			document.contract.ccamount.focus();
			return false;
		}
		
		var temp = document.contract.cctype.length;
		var check = 0;
		for (i=0;i<temp;i++) {
        	if (document.contract.cctype[i].checked) {
				break;
        	}
			check++;
    	}
		if(check == 3) {
			alert("Please select payment method.");
			return false;
		}
		
		var temp = document.contract.ccnumber.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter credit card number.");
			document.contract.ccnumber.focus();
			return false;
		}
		
		var temp = document.contract.ccexpdate.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter expiration date.");
			document.contract.ccexpdate.focus();
			return false;
		}
		
		var temp = document.contract.cvvnum.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter CVV number.");
			document.contract.cvvnum.focus();
			return false;
		}
		
		
		var temp = document.contract.ccaddress.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing address.");
			document.contract.ccaddress.focus();
			return false;
		}
		
		var temp = document.contract.cccity.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing city.");
			document.contract.cccity.focus();
			return false;
		}
		
		var temp = document.contract.ccstate.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing state.");
			document.contract.ccstate.focus();
			return false;
		}
		
		var temp = document.contract.cczip.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing zip code.");
			document.contract.cczip.focus();
			return false;
		}
		
		var temp = document.contract.ccname.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter name as it appear on card.");
			document.contract.ccname.focus();
			return false;
		}
		
		var temp = document.contract.ccdate.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter the date.");
			document.contract.ccdate.focus();
			return false;
		}
}

function CheckField1() {
		var temp = document.theform.primary_name.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter name of primary registrant.");
			document.theform.primary_name.focus();
			return false;
		}
		
		var temp = document.theform.primary_handicap.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter primary handicap.");
			document.theform.primary_handicap.focus();
			return false;
		}
		
		var temp = document.theform.primary_format.length;
		var check = 0;
		for (i=0;i<temp;i++) {
        	if (document.theform.primary_format[i].checked) {
				break;
        	}
			check++;
    	}
		if(check == 2) {
			alert("Please select primary format.");
			return false;
		}
		
		var temp = document.theform.total_cost.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter total cost.");
			document.theform.total_cost.focus();
			return false;
		}
		
		var temp = document.theform.cctype.length;
		var check = 0;
		for (i=0;i<temp;i++) {
        	if (document.theform.cctype[i].checked) {
				break;
        	}
			check++;
    	}
		if(check == 3) {
			alert("Please select payment method.");
			return false;
		}
		
		var temp = document.theform.ccnumber.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter credit card number.");
			document.theform.ccnumber.focus();
			return false;
		}
		
		var temp = document.theform.ccexpdate.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter expiration date.");
			document.theform.ccexpdate.focus();
			return false;
		}
		
		var temp = document.theform.ccaddress.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing address.");
			document.theform.ccaddress.focus();
			return false;
		}
		
		var temp = document.theform.cccity.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing city.");
			document.theform.cccity.focus();
			return false;
		}
		
		var temp = document.theform.ccstate.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing state.");
			document.theform.ccstate.focus();
			return false;
		}
		
		var temp = document.theform.cczip.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter billing zip code.");
			document.theform.cczip.focus();
			return false;
		}
		
		var temp = document.theform.ct_phone.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter phone number.");
			document.theform.ct_phone.focus();
			return false;
		}
		
		var temp = document.theform.ct_email.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter e-mail address.");
			document.theform.ct_email.focus();
			return false;
		}
		
		var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
		var check=/@[\w\-]+\./;
		var checkend=/\.[a-zA-Z]{2,3}$/;
	
		if(((temp.search(exclude) != -1)||(temp.search(check)) == -1)||(temp.search(checkend) == -1)) {
			alert("Invalid email address!");
			document.theform.ct_email.focus();
			return false;
		}
		
		var temp = document.theform.ccname.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter name as it appear on card.");
			document.theform.ccname.focus();
			return false;
		}
		
		var temp = document.theform.ccdate.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter the date.");
			document.theform.ccdate.focus();
			return false;
		}
}

function CheckField2() {
		var temp = document.theform.clinic_title.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter clinic title.");
			document.theform.clinic_title.focus();
			return false;
		}
		
		var temp = document.theform.categories.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please select categories.");
			document.theform.categories.focus();
			return false;
		}
		
		var temp = document.theform.presenter_name.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter presenter’s full name.");
			document.theform.presenter_name.focus();
			return false;
		}
		
		var temp = document.theform.presenter_address.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter address.");
			document.theform.presenter_address.focus();
			return false;
		}
		
		var temp = document.theform.presenter_city.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter city.");
			document.theform.presenter_city.focus();
			return false;
		}
		
		var temp = document.theform.presenter_state.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter state.");
			document.theform.presenter_state.focus();
			return false;
		}
		
		var temp = document.theform.presenter_zip.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter zip code.");
			document.theform.presenter_zip.focus();
			return false;
		}
		
		var temp = document.theform.presenter_phone.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter phone number.");
			document.theform.presenter_phone.focus();
			return false;
		}
		
		var temp = document.theform.presenter_email.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter e-mail address.");
			document.theform.presenter_email.focus();
			return false;
		}
		
		var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
		var check=/@[\w\-]+\./;
		var checkend=/\.[a-zA-Z]{2,3}$/;
	
		if(((temp.search(exclude) != -1)||(temp.search(check)) == -1)||(temp.search(checkend) == -1)) {
			alert("Invalid email address!");
			document.theform.presenter_email.focus();
			return false;
		}
		
		var temp = document.theform.outlet.length;
		var check = 0;
		for (i=0;i<temp;i++) {
        	if (document.theform.outlet[i].checked) {
				break;
        	}
			check++;
    	}
		if(check == 2) {
			alert("Please select number of electrical outlets.");
			return false;
		}
}

function CheckField3() {
		var temp = document.judge.judge_name.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter judge full name.");
			document.judge.judge_name.focus();
			return false;
		}
		
		var temp = document.judge.judge_phone.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter phone number.");
			document.judge.judge_phone.focus();
			return false;
		}
		
		var temp = document.judge.judge_email.value;
		if ((temp == '') || (temp.charAt(0) == ' ')){
			alert("Please enter e-mail address.");
			document.judge.judge_email.focus();
			return false;
		}
		
		var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
		var check=/@[\w\-]+\./;
		var checkend=/\.[a-zA-Z]{2,3}$/;
	
		if(((temp.search(exclude) != -1)||(temp.search(check)) == -1)||(temp.search(checkend) == -1)) {
			alert("Invalid email address!");
			document.judge.judge_email.focus();
			return false;
		}
}