//====================================================================================================
//	Function 	:	Validate_Form
//----------------------------------------------------------------------------------------------------
function Validate_Comments_Form(frm)
{
	with(frm)
    {
		if(!IsEmpty(review_name, 'Please enter  name.'))
		{	
			return false;
        }
		if(!IsEmpty(review_email, 'Please enter Email Id.'))
		{	
			return false;
        }
		if(!IsEmail(review_email, 'Please enter valid Email Id.'))
		{
			return false;
		}
		if(!IsEmpty(review_comments, 'Please enter Comments for Course.'))
		{
			return false;
		}
		return true;      
	}
}


//====================================================================================================
//	Function 	:	setFocus
//----------------------------------------------------------------------------------------------------
function setFocus()
{ 
   document.frmRating.review_name.focus();
}

//====================================================================================================
//	Function 	:	toggleLayer
//----------------------------------------------------------------------------------------------------

function toggleLayer(whichLayer)
{
 
 if(document.getElementById)
 {
  // this is the way the standards work
  var style2 = document.getElementById(whichLayer).style;
  style2.display = style2.display? "":"block";
 
 }
 else if (document.all)
 {
  
 // this is the way old msie versions work
  var style2 = document.all[whichLayer].style;
  style2.display = style2.display? "":"block";
    // document.frmRating.focus();

 }
 else if (document.layers)
 {
   
   // this is the way nn4 works
    var style2 = document.layers[whichLayer].style;
    style2.display = style2.display? "":"block";
	 //  document.frmRating.focus();

 }
}

//====================================================================================================
//	Function 	:	Validate_Search_Address
//----------------------------------------------------------------------------------------------------
function Validate_Search_Address(frm)
{
	with(frm)
	{
		if(!IsEmpty(search_address,	"Please enter address"))
			return false;
		
			
		if(search_city.value=="" && search_state.options[search_state.selectedIndex].value=="" && search_zip.value=="")
		{
			alert("Please enter either city and state or zip");
			search_city.focus();
			return false;
		}
			
		if((search_city.value!="" && search_state.options[search_state.selectedIndex].value=="") || (search_city.value=="" && search_state.options[search_state.selectedIndex].value!=""))
		{
			alert("Please enter either city and state both or only zip");
			search_city.focus();
			return false;
		}

		return true;
     }
}
//====================================================================================================
//	Function 	:	IsMinLength
//----------------------------------------------------------------------------------------------------

function IsMinLength(fld, minlen, msg)
{
	 if(fld.value.length < minlen )
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function 	:	Validate_Search_Name
//----------------------------------------------------------------------------------------------------
function Validate_Search_Name(frm)
{
	with(frm)
	{
		if(!IsEmpty(search_name,	"Please enter search string"))
			return false;
        
		if(!IsMinLength(search_name, 2 , "please enter search name of atleast 2 character"))
		    return false;

		if(search_state.options[search_state.selectedIndex].value=="")
		{
			alert("Please select state");
			search_state.focus();
			return false;
		}
		return true;
     }
}

//====================================================================================================
//	Function 	:	Validate_Search_City
//----------------------------------------------------------------------------------------------------
function Validate_Search_City(frm)
{
	with(frm)
	{
		if(!IsEmpty(city,	"Please enter city"))
			return false;
        
		if(state.options[state.selectedIndex].value=="")
		{
			alert("Please select state");
			state.focus();
			return false;
		}
		return true;
     }
}

//====================================================================================================
//	Function 	:	display_hide
//----------------------------------------------------------------------------------------------------
//This function is used to dispaly and hide the search content

function display_hide(id)
{
	document.getElementById(id).style.display=document.getElementById(id).style.display=='none'? '' : 'none';
}
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