function randomString() {
	var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var string_length = 4;
	var randomstring = ""; 

	for (var i=0; i<string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	return randomstring.toUpperCase(); // Added for EPUB-859
}

var xmlhttpObjSave = null;


function getFormElements() { 
	var str = "";
	var elemValue = "";
	var optText ="";
	var elemName ="";
	var list = new Array();
	var fieldArray = new Array(); // Added to get the elements in order. EPUB-859
	var elem = document.getElementById("emailForm").elements;

	// Added to get the elements in order. EPUB-859 **** START ***
	for(var  m= 0; m < elem.length; m++){ 
		fieldArray[m] = elem[m].name; 
    }

	var fieldsStr = fieldArray.join(":"); 
	document.emailForm.formFields.value = fieldsStr; 

	// Added to get the elements in order. EPUB-859 **** END ***
	for(var i = 0; i < elem.length; i++){ 
		elemValue = elem[i].value;
		elemName  = elem[i].name ; 
		 /***********Added for EPUB-910 START*************/
		if(elemName.indexOf("required_")!=-1){
		 	if(elemValue=="" && elemValue.length==0){
		 		alert("Not all required fields have been entered");
		 		return false;
	 		}
		}
		/***********Added for EPUB-910 END*************/
		optText ="";
		if(elem[i].type == 'select-multiple'){
			var multipleBox=eval("document.forms['emailForm']."+elem[i].name); 
			var z = 0;
			for(var j=0;j<multipleBox.length;j++){
				var mb=multipleBox[j];				
				if(mb.selected){
					if (z != 0){
						optText += "," + multipleBox[j].text ;
					}else{
						optText += multipleBox[j].text ;
					}
				z++;				   
				}
			}


    	var name=multipleBox.name;
		/***********Added for EPUB-910 START*************/			
		if(name.indexOf("required_")!=-1){
				if(optText==""){
					alert("Not all required fields have been entered");
					return false;
					}
			}
		elemValue = optText;
			/***********Added for EPUB-910 END*************/
		}

		if(elem[i].type == 'radio'){
			var radioText="";
			var radioobj = eval("document.forms['emailForm']."+elem[i].name);
			var x = 0;
			for(var k=0;k<radioobj.length;k++) 
			{
				var radioField = radioobj[k];
				if(radioField.checked == true){
					if (x != 0){
					   radioText += "," + radioField.value ;
					}else{
					   radioText +=radioField.value ;
				}
				x++;	
            }
		}

		elemValue = radioText;
		/***********Added for EPUB-910 START*************/			
		for(var s=0;s<radioobj.length;s++) {
	     	var radname=radioobj[s].name;
		 	if(radname.indexOf("required_")!=-1){
				if(elemValue==""){
					alert("Not all required fields have been entered");
						return false;
					}
				}
			} 
			/***********Added for EPUB-910 END*************/
		}

	   if(elem[i].type == 'checkbox'){
			var checkboxText="";
			var obj = eval("document.forms['emailForm']."+elem[i].name);
			var y=0;
			if(obj.length!= undefined){
				for(var j=0;j<obj.length;j++) {
					var checkboxField= obj[j];
					if(checkboxField.checked == true){
						if (y != 0){
						   checkboxText  += "," + checkboxField.value ;
						}else{
						   checkboxText +=checkboxField.value ;
						}
    					y++;	
				    }
		        }
			}else{
				if(obj.checked == true){
					 checkboxText =obj.value;
				}
			}


		 	elemValue = checkboxText;

			/***********Added for EPUB-910 START*************/
		 	for(var s=0;s<obj.length;s++) {
				var radname=obj[s].name;
			 	if(radname.indexOf("required_")!=-1){
					if(elemValue==""){
						alert("Not all required fields have been entered");
						return false;
					}
				}
			}
			/***********Added for EPUB-910 END*************/


		}

		if(!list[elemName] ){
			if(i!=0) { 
				 str += "&"+elemName +"="+ encodeURIComponent(elemValue);
			} else { 
				 str += elemName +"="+ encodeURIComponent(elemValue);
			} 
		    list[elemName] =elemName;
		}
	} 

 	str += "&WARNINGMESSAGE=As a precaution, a maximum is set for the number of emails generated by any single form.  Please contact your ISG liaison for further information!";
	return str;
} 

var holdRandomStr = '';

function doSubmit(){
	document.emailForm.randomstr.value =  holdRandomStr;
	var valueEntered = getFormElements();
	if(!valueEntered) return false; 
	try	{ 
		xmlhttpObjSave = new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e) {  
	}

	if (xmlhttpObjSave == null ){  
		xmlhttpObjSave = new XMLHttpRequest();
	} 

	xmlhttpObjSave.open("POST","/external/main/SendEmail",true);
	xmlhttpObjSave.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	xmlhttpObjSave.setRequestHeader("charset","utf-8"); xmlhttpObjSave.onreadystatechange=stateChange1;
	xmlhttpObjSave.send(valueEntered);
} 


function stateChange1(){
	if (xmlhttpObjSave.readyState == 4) {
		var response = xmlhttpObjSave.responseText;		
		if(response.indexOf("success") != -1){
			var landingpage=response.split("cess~");
		 	if(landingpage[1]!=""){
				window.location.href=landingpage[1];
			}else{
				alert("Thank you.  Your form has been submitted");
				history.back();
			}
		} else if (response.indexOf("WARNING") != -1){
			alert("ERROR: maximum responses received (all users).  Further submissions are no longer accepted at this time.");
		} else if (response.indexOf("queued")!=-1) {
			alert("SYSTEM MESSAGE: Email will be sent shortly.");
		} else {
			alert("Please enter the code as it is shown.");
		}
		return;
	}
}

function fn() {
	var rstr = randomString();
	//Uncomment for DEV env
	//var url ="http://wbes828.worldbank.org:3124/contentrating/servlet/main/dynimg?randomstr="+rstr;

	//Uncomment for QA env
	//var url ="http://ispcontentqa.worldbank.org/contentrating/servlet/main/dynimg?randomstr="+rstr;

	//Uncomment for PROD env
	var url ="http://ispcontent.worldbank.org/contentrating/servlet/main/dynimg?randomstr="+rstr; 
	
	try{
		document.emailForm.randomstr.value = rstr;      //epub-903
		document.emailForm.randomimg.src = url;
		holdRandomStr = rstr;
	}catch(e){
		alert("Error : "+e);
	}
}

fn();