function registrationcheck(form)
	{
	if(!blankField(form.password,"Password")) return false;
	if((form.password.value).length < 7)
		{
		alert("Password must be longer than 7 characters");
		form.password.focus();
		return false;
		}				
	if(!blankField(form.emailaddress,"Email Address")) return false;
	return true;
	}
function editacccheck(form)
	{	
	if(!blankField(form.password,"Password")) return false;
	if((form.password.value).length < 7)
		{
		alert("Password must be longer than 7 characters");
		form.password.focus();
		return false;
		}				
	if(!blankField(form.emailaddress,"Email Address")) return false;
	return true;
	}
function logincheck(form)
	{
	if(!blankField(form.emailaddress,"Email Address")) return false;
	if(!blankField(form.password,"Password")) return false;
	return true;
	}	
function chekpref(form)
    {   
     if(parseInt(form.minprice.value) >= parseInt(form.maxprice.value))
        {
        alert("Maximum Price should be greater than Minimum Price.");
        form.maxprice.focus();
        return false;
        } 
     
      if(!(checkradio(form.viewpref)))
        {
        alert("Select Notification Type.");        
        return false;
        }
        return true;          
    }
function checkforsingle(frmObj)
    {
    for(I=0; I<frmObj.length; I++)
            if(frmObj[I].checked == 1)
	    		 return true;        
     return false;
    }    
function checkradio(frmObj)
    {
    for(I=0; I<frmObj.length; I++)
            if(frmObj[I].checked == 1)
	    		 return true;
     return false;
    }    
function isTrim(str)
{
	return str.replace(/\s/g,"");
}

function blankField(n, FieldCatption)
{
	if(isTrim(n.value)=='')
	{
	  alert(FieldCatption+ " should not be blank.");
	  n.value='';
	  n.focus();
	  return false;
	}
	return true;
}