function VerifyForm(theform)
   {
   var x = 0 
   var msg
   var current = "";
   var obj 
   var errMsg = "The following required fields are incomplete:\n";
   var currentValue
   var isError = false;
   var options = false;
   var checked = new Array(theform.elements.length)
	  while(obj=theform.elements[x])
      {
	   //alert(obj.name) //debugging - alerts name of each field in form
	   currentValue = ""
            msg = new String(obj.name)
 
            var names = msg.split("-")
            if (names.length > 1)
            {
               msg = new String(names[0]) 
               var values=msg.split("_") 
               if (values.length > 1)
               {
                 if (values[0] == "t")
                    currentValue = obj.value
                 if (values[0] == "r"){
                 var j = 0;
				 var radErr = true;
					while (radObj = theform[names[1]][j])
                    {
						if (radObj.checked)
						{
                            currentValue = radObj.value
						}
					j++;
					}
				 } 
                 if (values[0] == "p")
					currentValue = obj.options[obj.options.selectedIndex].value
				 if (values[1]=="blank")
                 {
					if(currentValue=="")
                    {
                       errMsg += values[2] + "\n"; 
                       isError = true  
                    }
                 }
                 if (values[1]=="index")
                 {
					if(obj.options.selectedIndex == 0)
                    {
                       errMsg += values[2] + "\n"; 
					   isError = true  
                    }
                 }
                 if (values[1] == "date")
                 {
                     if (!(Date.parse(currentValue)))
                     {
                        errMsg += values[2] + "\n"
                        isError = true;                                                        
                     }
                     else
                     {
                        var newDate = new Date(Date.parse(currentValue))
//                        obj.value = newDate.getMonth() + "/" + newDate.getDate() + "/" + newDate.getYear();
                     }
                 }  

                 if (values[1] == "email")
                 {
                    var re = /[\S]+@[\S]+\.[\S]+/
                    var str = new String(currentValue)
                    if(!str.match(re)){
                        errMsg += values[2] + "\n"
                        isError = true;
                    }
                 }
                 if (values[1] == "int")
                 {
					 if (!parseInt(currentValue))
					 {
						errMsg += values[2] + "\n"
						isError = true
					 }
                 }
                 
			   
			   }
         }
         else
         {
            if (theform.elements[x].name=="totalMonths")
            {
               if(obj.options[obj.selectedIndex].value=="nopull")
               { 
                 errMsg += obj.name + "\n" + "R"
                 isError = true;                                                        
               }
            }
         
         }  
       obj = null  
       x++
      }

   if (isError)
   {
       alert(errMsg)
       return false;
   }
   else
   { 
     x=0
     while(obj=theform.elements[x])
     {
         msg = new String(theform.elements[x].name)
         var names = msg.split("-")
         if (names.length > 1)
         {
			 if (names.length == 2){

   			     obj.name = names[1];
             
			 }
		 }
         x++;
     } 
     return true
   }
}

function checkURL(url){
	if (url.value == "")
	{
		return false;
	}
	var newUrl = new String(url.value)
	/*  strip http://www.  */
	var re = /^http:\/\//i;
	newUrl = newUrl.replace(re,"");
	re = /^www\./i;
	newUrl = new String(newUrl.replace(re,""));
    
    /*  full url regular expression */
	re = /\.\S+/;
	if (newUrl.match(re))
    {
		newUrl = new String("http://www." + newUrl);
		url.value = newUrl
    }else{
		alert("Please make sure your website is in \'http://www.yourpage.com\' format.");
		url.focus();
	}
}

function VerifyThenSubmit(theform)
{
   if (VerifyForm(theform))
   {
	   theform.submit()
   }
}

function doStartDate(theform)
{
          var beginDate = new Date(Date.parse(theform["t_date_ad start date-ad_start_date"].value));
          var newMonth = beginDate.getMonth() + 1 + parseInt(theform.totalMonths.options[theform.totalMonths.selectedIndex].value);
          var endDate = new Date(Date.parse(newMonth + "/" + beginDate.getDate() + "/" + beginDate.getYear()));          
          theform["ad_finish_date"].value=(endDate.getMonth() + 1) + "/" + endDate.getDate() + "/" + endDate.getYear();
}
   function checkNum(textbox)
   {
     if (!parseInt(textbox.value))
     {
     return 0
     }
     if (parseInt(textbox.value) < 1)
     { 
        return 0
     }
	 return true;
   }
function checkDate(form)//form object and and element//checks XX/XX/XXXX format, replaces if necessary
{
	var date_array //array holding split date
	if (form.value.length < 5){return 0;}
	date_array = form.value.split("/")
	for(var i=0;i<3;i++){//getting rid of unwanted chars, digits
		if(date_array[i]){
			var dateString = new String(date_array[i])
			var re = /\D/gi
			dateString = dateString.replace(re,"")
			date_array[i] = dateString
		}
	}
	
	if (!checkNum(form)){alert("Please Enter a Valid Year in XX/XX/XXXX Format");return 0;}
	
	if(date_array[0]){
		if(date_array[0] < 10 && date_array[0].length == 1) {date_array[0] = "0" + date_array[0]}
		if(date_array[0] > 12){alert("Invalid Month. Please Try Again.");form.focus();return 0;}
	}else{return 0};//nothing entered
	if(date_array[1]){
		if(date_array[1] < 10 && date_array[1].length == 1) {date_array[1] = "0" + date_array[1]}//adding 0 to 03/01/ format
		if(date_array[1] > 31){alert("Invalid Day. Please Try Again.");form.focus();return 0;}
	}else{return 0;}//no / to be parsed, invalid date
	
	if(date_array[2]){
		//if(date_array[2].length < 4 || date_array[2].length > 4) 
		/*removed so users can enter an XX format date when adding exhibitions*/
		/*if (date_array[2].length == 2){
  		   todaysYear = new Date();
  		   year = todaysYear.getYear();
		   strYear = new String(year)
		   "20"		   
		}//removed because if users setting is off, replace won't work properly (changing 02 to 1902 instead of 2002*/
		
		if(date_array[2].length < 2 || date_array[2].length == 3 || date_array[2].length > 4)
		{
		alert("Please use a valid year format. (XX or XXXX)");
		form.focus();
		return 0;
		}
	}else{//year is defaulting to this year if no year is entered
		todaysYear = new Date();
		year = todaysYear.getYear();
	}
	
	var day = date_array[0]
	var month = date_array[1]
	if(!year){//today's year was not substituted for blank year
		var year = date_array[2]
	}
	return day + "/" + month + "/" + year;
}



function changeField(field,value)//field is full form object location eg document.formname.elements[elementname]
{
field.value=value;
}	



function compareDate(date1,operand,date2,part)
{
//this function parses a date (string) in XX/XX/XXXX format
//checkDate() should be run before this function to insure all dates are in this format
//-------------
//PARAMETERS:
//date1: date string in format XX/XX/XXXX (original date you wish to perform operation on
//operand: logical operation you wish to use (<,>,=,!=,<=,>=)
//date2: date string or integer you wish compare or evaluate with date1 (you could add two dates or add 10 whatevers, specified below)
//part: date portion you wish to operate or compare (day,month,year) OPTIONAL
//you are able to compare two dates, and tell if date1 is 'operand' date2
// this is basically constructing a logical expression with a standard operand, two date strings, and the portion
// of the date strings you wish to compare.

//this function can be used to evaluate expressions, using dates 

//eg- ('10/10/2001','day','+',10,'day') will add 10 days to 10/10/2001, returning 10/20/2001
//standard Date() object is used, so all rules for that apply to this function (leap years, etc)
//---------------------------------split dates being passed

date1_array = date1.split("/")
date2_array = date2.split("/")
//---------------------------------establish date objects or integer values
if(!part){part = date2;var integer=true}
	if(!date1_array[0]){//nothing passed, doesn't exist, return false
		return 0;
	}
	else{//value does exist
		if(!date1_array[1]){//integer or date in non-standard format passed
			//var int1 = parseInt(date1_array[0])//creates integer value, date is not present (or not in xx/xx/xxxx format)
			//reason commented:eliminating the ability to handle integers as first parameter
			return 0;

		}
		else{//date contains at least 1 '/'
			if(date1_array[2]){//date contains xx/xx/xxxx, valid
				var day1 = parseInt(date1_array[0])
				var month1 = parseInt(date1_array[1])-1//date object month is 1 less (0 is jan)
				var year1 = parseInt(date1_array[2])
				objDate1 = new Date(year1,day1,month1)
			}
		}	
	}
	if(!date2_array[0]){//nothing passed, doesn't exist, return false
		if(!operand=="++" || operand == "--"){//increment or decrement requires no date2 integer
			return 0;
			
		}
	}
	else{//value does exist
		if(!date2_array[1]){//integer or date in non-standard format passed
			var integer = parseInt(date2_array[0])//creates integer value
		}
		else{//date contains at least 1 '/'
			if(date2_array[2]){//date contains xx/xx/xxxx, valid
				var day2 = parseInt(date2_array[0])
				var month2 = parseInt(date2_array[1])-1//date object month is 1 less (0 is jan)
				var year2 = parseInt(date2_array[2])
				objDate2 = new Date(year2,day2,month2)
			}
		}	
	}
//---------------------------------start operating
//---------------------------------find out if comparing dates or evaluating math expressions

	if(operand){//not required, avoiding errors
		if(objDate1){
			if(operand == "=" || operand == "==")
				if(objDate1 - objDate2 == 0){
					return true;//they're the same!
				}else{return false;}//not the same
			}if(operand == "<=" || operand == "=<" ){
				if(objDate1 <= objDate2){
					return true;
				}else return false;//date1 is not less than or equal to date2
			}if(operand == ">=" || operand == "=>" ){
				if(objDate1 >= objDate2){
					return true;
				}else return false;//date1 is not greater than or equal to date2
			}if(operand == "<"){
				if(objDate1 < objDate2){
					return true;
				}else return false;//date1 is not less than to date2
			}if(operand == ">"){
				if(objDate1 > objDate2){
					return true;
				}else return false;//date1 is not greater than to date2
			}if(operand == "!="){
				if(objDate1 != objDate2){
					return true;
				}else return false;//date1 is not = to date2
			}
		}else return false;
		if(integer){//operand == "+" || operand == "-" || operand =="++" || operand == "--"){//using math, either using date,date or date,integer
			var resultDate = new Date() // result date object after math
				//-----------------------using math, start with date object 1
				if(part){//error checking if part is present (day or month or year)
					resultDate = objDate1;
					if(integer){
						if(part == "day" || part == "Day" || part == "DAY"){//operation to be performed on day
							if(operand == "++"){resultDate.setDate(resultDate.getDate() + 1)}
							if(operand == "--"){resultDate.setDate(resultDate.getDate() - 1)}
							if(operand=="+"){resultDate.setDate(objDate1.getDay() + parseInt(integer))}
							if(operand=="+"){resultDate.setDate( objDate1.getDay() + parseInt(integer))}
						}else if (part == "month" || part == "Month" || part == "MONTH"){//operation to be performed on month
							if(operand == "++"){resultDate.setMonth(resultDate.getMonth() + 1)}
							if(operand == "--"){resultDate.setMonth(resultDate.getMonth() - 1)}
							if(operand == "+"){resultDate.setMonth(objDate1.getMonth() + parseInt(integer))}
							if(operand == "-"){resultDate.setMonth(objDate1.getMonth() - parseInt(integer))}
						}else if (part == "year" || part == "Year" || part == "YEAR"){//operation to be performed on month
							if(operand == "++"){resultDate.setYear(resultDate.getYear() + 1)}
							if(operand == "--"){resultDate.setYear(resultDate.getYear() - 1)}
							if(operand == "+"){resultDate.setYear(objDate1.getYear() + parseInt(integer))}
							if(operand == "-"){resultDate.setYear(objDate1.getYear() - parseInt(integer))}
						}
					}
				return resultDate;//date Object being returned as math result
				}
	}//end if(operand)		
}//end function



///***  Like showhidemulti except it actually hides layers which showhidedoesnt.  Its broken use this one.
function DoLayer(thelayer)
{

   var nsLayers = (document.layers) ? true : false;
   var ieLayers = (document.all) ? true : false;
   if(thelayer=="")
      return;
   thelayer = new String(thelayer)
//   alert(thelayer)
   var layers = thelayer.split(",")
   if (nsLayers)
   {
     
	      for(x=0;x<layers.length;x++){ 
				 
				 if(document.layers[layers[x]].visibility == "show"){
      			        document.layers[layers[x]].visibility="hide"
   				 }
				 else
				 {
				   document.layers[layers[x]].visibility = "show"
				   currentLayer=document.layers[layers[x]].name
                                                   SetCookie("ensLayer",currentLayer,1) 
				 }
		  } 
   }
   if (ieLayers)
   {
	  for(x=0;x<layers.length;x++){
	  if(document.all[layers[x]]){
		 if (document.all[layers[x]].style.visibility == "visible"){
			document.all[layers[x]].style.visibility = "hidden"; 
		 }
         else
         {
     	    document.all[layers[x]].style.visibility = "visible";
                currentLayer=document.all[layers[x]].id
                SetCookie("ensLayer",currentLayer,1) 

      	 }  
      }
   }
  }
}

//Reads a cookie with a specified name
function ReadCookie(cookieName) { var theCookie=""+document.cookie; var ind=theCookie.indexOf(cookieName); if (ind==-1 || cookieName=="") return ""; var ind1=theCookie.indexOf(';',ind); if (ind1==-1) ind1=theCookie.length; return unescape(theCookie.substring(ind+cookieName.length+1,ind1)); } 
//Writes a cookie with a specified name
function SetCookie(cookieName,cookieValue,nDays) {
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)
                 + ";expires="+expire.toGMTString();
}