function prevYears( currentPosition, yearsPerPage ) {
  var url = "/Ajax";
  var urlParams = "action=prevYears&currentPosition=" + currentPosition + "&yearsPerPage=" + yearsPerPage; 
  result = httpRequest( url, "POST", urlParams );
  document.getElementById( "yearsContainer" ).innerHTML = result;
  //var responeObj = eval('(' + result + ')');  
}
function showMonths (currentYear){
	var url = "/Ajax";
  var urlParams = "action=showMonths&currentYear=" + currentYear;
  result = httpRequest( url, "POST", urlParams );
  document.getElementById( "monthsContainer" ).innerHTML = result;
}
function showSubscriptionHistory (id){
	var url = "/Ajax";
  var urlParams = "action=showHistory&id=" + id;
  result = httpRequest( url, "POST", urlParams );
  document.getElementById( "dashboardContainer" ).style.display = 'none';
  document.getElementById( 'subscription-history' ).style.display = 'block';
  document.getElementById( "subscription-history" ).innerHTML = result; 
}
function showArticle( articleId ) {
	var url = "/Ajax";
	var urlParams = "action=showArticle&articleId=" + articleId;
	result = httpRequest( url, "POST", urlParams );
	document.getElementById( "dashboardContainer" ).style.display = 'none';
	document.getElementById( 'subscription-history' ).style.display = 'block';
	document.getElementById( "subscription-history" ).innerHTML = result; 
}
function showTwoArticle( articleId ) {
	var url = "/Ajax";
	var urlParams = "action=showTwoArticle&articleId=" + articleId;
	result = httpRequest( url, "POST", urlParams );
	document.getElementById( "resource-center-container" ).style.display = 'none';
	document.getElementById( 'subscription-history' ).style.display = 'block';
	document.getElementById( "subscription-history" ).innerHTML = result; 
}
function showArticleFromMoreArticles( articleId ) {
	var url = "/Ajax";
	var urlParams = "action=showArticleFromMoreArticles&articleId=" + articleId;
	result = httpRequest( url, "POST", urlParams );
	document.getElementById( "more-articles" ).style.display = 'none';
	document.getElementById( 'articlesFromLink' ).style.display = 'none';
	document.getElementById( 'subscription-history' ).style.display = 'block';
	document.getElementById( "subscription-history" ).innerHTML = result; 
}
function showArticlebyCateg( articleCateg ) {
	var url = "/Ajax";
	var urlParams = "action=showArticlebyCateg&articleCateg=" + articleCateg;
	result = httpRequest( url, "POST", urlParams );
	document.getElementById( "more-articles" ).style.display = 'none';
	document.getElementById( 'articlesFromLink' ).style.display = 'block';
	document.getElementById( "articlesFromLink" ).innerHTML = result; 
}
function showMoreArticles() {
	var url = "/Ajax";
	var urlParams = "action=showMoreArticles";
	result = httpRequest( url, "POST", urlParams );
	document.getElementById( "dashboardContainer" ).style.display = 'none';
	document.getElementById( 'more-articles' ).style.display = 'block';
	document.getElementById( "more-articles" ).innerHTML = result; 
}
function httpRequest(url, requestType, requestParameters ) {	
	// creates XMLHttpRequest object
	if (window.XMLHttpRequest) req = new XMLHttpRequest();
	else if (window.ActiveXObject) req = new ActiveXObject("Microsoft.XMLHTTP");    
	if ( requestType.toLowerCase() == "get" ) {        
		req.open("GET", url, false);
		req.send(null);
	}
	else {
		req.open("POST", url, false);
		req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		req.setRequestHeader("Content-length", requestParameters.length);
		req.setRequestHeader("Connection", "close");
		req.send(requestParameters);
	}
	return req.responseText;
}

function closeDiv ( id ) {
    document.getElementById(id).style.display = 'none';
}
function setErrorBoxPosition () {
        var myWidth = 0, myHeight = 0;  myWidthRight = 0;
        if( typeof( window.innerWidth ) == 'number' ) {
        //Non-IE
        myWidth = window.innerWidth;
        myHeight = window.innerHeight;
        } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
        } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
        myHeight = document.body.clientHeight;
        }
        leftSpace = Math.round ( ( (myWidth - 1100) / 2) + 330 );
        document.getElementById('error-box').style.left=leftSpace + 'px';
        document.getElementById('error-box').style.top='130px';
        
}


function setMyScansPosition () {
        
        var myWidth = 0, myHeight = 0;  myWidthRight = 0;
        if( typeof( window.innerWidth ) == 'number' ) {
            //Non-IE
            myWidth = window.innerWidth;
            myHeight = window.innerHeight;
        } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
            //IE 6+ in 'standards compliant mode'        
            myWidth = document.documentElement.clientWidth;
            myHeight = document.documentElement.clientHeight;
        } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
            //IE 4 compatible        
            myWidth = document.body.clientWidth;
            myHeight = document.body.clientHeight;        
        }
        leftSpace = Math.round ( ( (myWidth - 1100) / 2) + 420 );
        var myScansLink = document.getElementById('myScansLink')
        
        if ( myScansLink != null )  {        
            document.getElementById('myScansLink').style.left=leftSpace + 'px';
            document.getElementById('myScansLink').style.top='438px';
        }
        
        var myScansContainer = document.getElementById('seeMyScans')
        if ( myScansContainer != null ) {        
            document.getElementById('seeMyScans').style.left= ( leftSpace - 20 ) + 'px';
            document.getElementById('seeMyScans').style.top='270px';
        }
        
}
function ucwords (str) {    
    return (str+'').replace(/^(.)|\s(.)/g, function ( $1 ) { return $1.toUpperCase( ); } );
}
function showBillingFields( checkboxObj ) {
	var fieldsArray = new Array( new Array( "BILLING_ADDRESS", "25", "255" ), new Array( "BILLING_CITY", "25", "255" ), new Array( "BILLING_STATE", "25", "255" ), new Array( "BILLING_ZIPCODE", "5", "5" ) );	
	for ( billingFieldCounter in fieldsArray ) {
		var billingField = fieldsArray[ billingFieldCounter ][ 0 ];
		var billingFieldSize = fieldsArray[ billingFieldCounter ][ 1 ];
		var billingFieldMaxlength = fieldsArray[ billingFieldCounter ][ 2 ];
		if ( document.getElementById( billingField ) ) {
			var parentObj = document.getElementById( billingField ).parentNode;
		}
		if ( !checkboxObj.checked ) {
			if ( document.getElementById( billingField ) ) {
				parentObj.removeChild( document.getElementById( billingField ) );				
			}		
			var fieldLabel = ucwords( billingField.replace('_', ' ').toLowerCase() );
			var content = "";
			content += '<div class="formGroup" id="' + billingField + '_container" >';
			content += '	<div class="elementLabel" style="width:150px;"><em>*</em> <label for="BANK_NAME">' + fieldLabel + ': </label></div>';
			content += '	<div class="elementContainer formCheckboxElement"><div>';
			if ( billingField == 'BILLING_STATE' ) {
				url = "/Ajax";
				result = httpRequest( url,  "POST",  "action=getStates" );
				content += result;
			}
			else {
				content += '		<input type="text" size="' + billingFieldSize + '" maxlength="' + billingFieldMaxlength + '" id="' + billingField + '" name="' + billingField + '" />';
			}
			content += '	</div></div>';
			content += '</div>';
			parentObj.innerHTML += content;
		}
		else {			
			if ( document.getElementById( billingField + '_container' ) ) {				
				parentObj = document.getElementById( billingField + '_container' ).parentNode;
				parentObj.removeChild( document.getElementById( billingField + '_container' ) );
				parentObj.innerHTML += "<input type='hidden' name='" + billingField + "' id='" + billingField + "' />";				
			}
			else {				
				parentObj = document.getElementById( billingField );				
				while ( parentObj.className != "formGroup" ) {
					parentObj = parentObj.parentNode;
				}
				parentContainer = parentObj.parentNode; 
				parentContainer.removeChild( parentObj );
				parentContainer.innerHTML += "<input type='hidden' name='" + billingField + "' id='" + billingField + "' />";
			}
		}
	}
}
function fillUSPSSuggestion( uspsJsonDataContainerId, formName ) {	
	var uspsData = eval('(' + document.getElementById( uspsJsonDataContainerId ).innerHTML + ')');
	formObject = document.getElementById( formName );
	for ( i = 0; i < formObject.elements.length; i ++ ) {
		formElement =  formObject.elements[ i ];
		if ( formElement.name && formElement.readOnly != true ) {		
			if ( formElement.name.match( /.*Address.*/gi ) ) {
				formElement.value = uspsData[ 'Address2' ];
			}
			if ( formElement.name.match( /.*City.*/gi ) ) {
				formElement.value = uspsData[ 'City' ];
			}
			if ( formElement.name.match( /.*Zip.*/gi ) ) {
				formElement.value = uspsData[ 'Zip5' ];
			}
			if ( formElement.name.match( /.*Postalcode.*/gi ) ) {
				formElement.value = uspsData[ 'Zip5' ];
			}
			if ( formElement.name.match( /.*state.*/gi ) ) {
				formElement.value = uspsData[ 'State' ];
			}
		}
	}
}
function fillPostSuggestion( postJsonDataContainerId, formName ) {
	var postData = eval('(' + document.getElementById( postJsonDataContainerId ).innerHTML + ')');
	formObject = document.getElementById( formName );
	for ( i = 0; i < formObject.elements.length; i ++ ) {
		formElement =  formObject.elements[ i ];
		if ( formElement.name && formElement.readOnly != true ) {		
			if ( formElement.name.match( /.*Address.*/gi ) || formElement.name.match( /.*City.*/gi ) || formElement.name.match( /.*Zip.*/gi ) || formElement.name.match( /.*Postalcode.*/gi ) || formElement.name.match( /.*state.*/gi )) {
				formElement.value = postData[ formElement.name ];			
			}
		}
	}
}