function checkMain(){
	var flag=0;
	var required="orderNum,zipCode,";
	var reqField=required.split(',');
	var submitn=0;
	
	for(a=0;a<reqField.length-1;a++){
		var tempField = reqField[a];
		var fieldValue = document.getElementById(tempField).value;
		
		if(fieldValue==""){
			document.getElementById(tempField).style.background=errorColor;
			flag = 1;
		}
		else document.getElementById(tempField).style.background="#FFFFFF";
	}
	
	if(flag == 0) {
        var order = document.getElementById('orderNum').value;
                order = parseInt(order);
                var lname = document.getElementById('lname').value;

                        if (order > '211677' && order < '212987'  && lname == '') {
			 document.getElementById('lastname').style.display = '';
                        alert('For this order, please enter your last name as well');
                        return false;
                        }
			else {
			return true;
			}

	}

	else{
		alert("Some fields were not completed");
		return false;
	}
	
}
function printRequest(raID){
	var winTitle='Return_Exchange_Authorization';
	var winLink='http://www.yandy.com/functions/displayExchange.php?raID='+raID;

	var popup=window.open(winLink,winTitle,'height=500,width=700,scrollbars=1');
	
	if(popup==null) alert("Please disable your popup blocker to view this link.");
	else popup.focus();
}

function printRequest_2(raID){
	var winTitle='Return_Exchange_Authorization';
	var winLink='http://www.yandy.com/functions/displayExchange_2.php?raID='+raID;

	var popup=window.open(winLink,winTitle,'height=500,width=700,scrollbars=1');
	
	if(popup==null) alert("Please disable your popup blocker to view this link.");
	else popup.focus();
}

function searchProds(num, prodID){
	var searchName=document.getElementById('search_'+num).value
	var winTitle='Exchange_Search';
	if(prodID!="") var winLink='http://www.yandy.com/returnauthorization/searchProds.php?rowNum='+num+'&prodID='+prodID;
	else var winLink='http://www.yandy.com/returnauthorization/searchProds.php?rowNum='+num+'&search='+searchName;

	var popup=window.open(winLink,winTitle,'height=700,width=650,scrollbars=1');
	
	if(popup==null) alert("Please disable your popup blocker to view this link.");
	else popup.focus();
}

function searchProds_2(num, prodID){
	var searchName=document.getElementById('search_'+num).value
	var winTitle='Exchange_Search';
	if(prodID!="") var winLink='http://www.yandy.com/returnauthorization_2/searchProds.php?rowNum='+num+'&prodID=' + prodID;
	else var winLink='http://www.yandy.com/returnauthorization_2/searchProds.php?rowNum='+num+'&search='+searchName;
	
	var popup=window.open(winLink,winTitle,'height=700,width=650,scrollbars=1');
	
	if(popup==null) alert("Please disable your popup blocker to view this link.");
	else popup.focus();
}

function SwapImage(img){
	var thisImage=document.getElementById('mainImage');
	thisImage.src=img;
}

function exchangeSubmit(){
	alert("in function");
	if(document.getElementById('totalProds').value==document.getElementById('exProds').value)	{
		document.getElementById('btnSubmit').style.visibility="visible";
		document.getElementById('btnSubmit').disabled=false;
	}
}

function checkExchange(){
	var flag=0;
	var maxEx=document.getElementById("totalProds").value;
	var required="prodFlag_";
	var submitn=0;
	
	for(a=0;a<maxEx;a++){
		var tempField=required+a;
		var fieldValue=document.getElementById(tempField).value;
		
		if(fieldValue=='0') flag = 1;
	}
	
	if(flag==0) return true;
	else{
		alert("Some products were not exchanged completly");	
		return false;
	}
}

function checkReturn(){
	var numElements=document.getElementById('numReturns').value
	var flag=0;
	
	for(i=1;i<=numElements;i++){
		var tempName="selectedProducts_"+i;

		if(document.getElementById(tempName).checked){
			flag=1;
			i=numElements+1;
		}
	}

	if(flag==1){
		if(document.getElementById('comments').value==""||document.getElementById('comments').value==" "){
			alert("Please tell us why you would like to return/exchange the selected item(s).");
			document.getElementById('comments').focus();
			document.getElementById('comments').style.background=errorColor;
			return false;
		}
		else return true;
	}
	else{
		alert("You must select at least one product to return/exchange before submitting.");
		return false;
	}
}