function checkrequired(which) 
{ 
	var pass=true; 
	if (document.images) 
	{ 
		for (i=0;i<which.length;i++) 
		{ 
			
			var tempobj=which.elements[i]; 
			if (tempobj.name.substring(0,8)=="required") 
			{ 
				if ((tempobj.type=="text"||tempobj.type=="textarea"||tempobj.type=="password" ||tempobj.type.toString().charAt(0)=="s" ) && tempobj.value=='')
				{ 
					if(tempobj.disabled==false)
					{
						pass=false; 
						break; 
					}
				}
			} 
		} 
	} 
	if (!pass) 
	{ 
		shortFieldName=tempobj.name.substring(8,30).toUpperCase(); 
		alert("Please make sure the "+shortFieldName+" field was properly completed."); 
		tempobj.focus() ;						
		return false; 
				
	} else 
	
	return true; 
			
} 

function checkrequiredRadio(tempobj) 
{ 

	var pass=true; 
	if (tempobj.type!="radio")
	{
		for (i=0;i<tempobj.length;i++) 
		{ 
			if (tempobj[i].checked==true)
			{ 
				pass=true; 
				break; 
			}else
			   pass=false;
		} 
		if (!pass) 
		{ 
			shortFieldName=tempobj[0].name.substring(8,30).toUpperCase(); 
			alert("Please make sure the "+shortFieldName+" field was properly completed."); 
			return false; 
					
		}else 
			return true; 
	}else
		if (tempobj.checked==false)
		{
			shortFieldName=tempobj.name.substring(8,30).toUpperCase(); 
			alert("Please make sure the "+shortFieldName+" field was properly completed."); 
			return false; 
		}else
			return true ;
} 

function verifyMail(obj)
{
	if(obj.value.length != 0)
    {
      var str = obj.value;
      var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
      var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
	  if (!reg1.test(str) && reg2.test(str))
      {
		 // return true;
      }else
	  {
		 alert("\"" + str + "\" is an invalid e-mail!");
       	 obj.focus();
         return false;
	   }
	}
}
//------------------------Numeric Validation On KeyPress ----------------------
function onkey(obj)
	{
		var keyascii;
		keyascii = window.event.keyCode;
	
		var str=obj.value
		if(keyascii==46)
		{ 
			if (str.indexOf(".")>0)
			{
				return false
			}
		}
		else {
				if ((keyascii < 48) || (keyascii > 57))
				{
					window.event.keyCode = 0;
				}
				return;
			}
	}


//----------------------   Window open   -----------------------
	function winOpen(str,Name,Resize,Width,Height,Left,Top)
	{
		window.open(str,Name,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable='+Resize+',width='+Width+',height='+Height+',left='+Left+',top='+Top)
	}

//----------------------   Site Function   -----------------------
	function ContactValidation(which)
	{
		if (verifyMail(which.requiredEmail)==false) return false ;
		if (checkrequired(which) == false) return false;
		return true ;
	}	

//--------------------------------------------
	function checkProviderRegistration(which)
	{
		if (verifyMail(which.requiredEmail)==false) return false ;
		if (which.OptDiscount[0].checked == false &&  which.OptDiscount[1].checked == false && which.Discount.value=="")
		{
				alert("Please make sure the DISCOUNT field was properly completed.");
				which.Discount.focus() ;
				return false ;
		}
		if (which.Discount.value!="" && which.Discount.value < 20)
		{
				alert("Invalid percentage.");
				which.Discount.focus() ;
				return false ;
		}
		if (checkrequired(which) == false) return false;
		if (isNaN(which.requiredZipCode.value))
		{
				alert("Please make sure the ZIPCODE field was properly completed.");
				which.requiredZipCode.focus() ;
				return false ;
		}

		return true ;
	}	

	function checkFindProvider(frm)
	{
		if (frm.ModalityID.value=="")
		{
				alert("Please make sure the Modality field was properly completed.");
				frm.ModalityID.focus() ;
				return false ;
		}

		if (frm.ZIPCode.value=="")
		{
				alert("Please make sure the Zip Code field was properly completed.");
				frm.ZIPCode.focus() ;
				return false ;
		}
		
		if (frm.Miles.value=="")
		{
				alert("Please make sure the Miles field was properly completed.");
				frm.Miles.focus() ;
				return false ;
		}
	}