function addLoadEvent(func) { 
	  var oldonload = window.onload; 
	  if (typeof window.onload != 'function') { 
	    window.onload = func; 
	  } else { 
	    window.onload = function() { 
	      if (oldonload) { 
	        oldonload(); 
	      } 
	      func(); 
	    } 
	  } 
} 

function IE(){
    if(navigator.appName == 'Netscape') return false;
    else return true;
}

function getComboValue(thisID){
  if(IE()) return thisID.value; 
}

function showInfo (helpcode,customercode){
   mywindow = window.open('/pr/helptext.php?helpcode='+helpcode+'&customercode='+customercode,'helpWindow','menubar=no,toolbar=no,fullscreen=no,location=no,resizable=yes,scrollbars=yes,width=400,height=500');
   mywindow.focus()

}

function openWindow(toURL,toTARGET,toPROPS){
  mywindow = window.open(toURL,toTARGET,toPROPS);
  mywindow.focus()
}

function alphanumeric(t)
{
	var numaric = t.value;
	if (numaric == '')
	{
		return true;
	}

	for(var j=0; j<numaric.length; j++)
		{
		  var alphaa = numaric.charAt(j);
		  var hh = alphaa.charCodeAt(0);
		  if((hh > 47 && hh<58) || (hh > 64 && hh<91) || (hh > 96 && hh<123) || numaric.charAt(j) == '-' || numaric.charAt(j) == '_' || numaric.charAt(j) == '.')
		  {
		  }
		else	{
             t.style.backgroundColor = 'red';
			 t.style.color = 'white';
			 return false;
		  }
 		}
// alert("Your Alpha Numeric Test Passed");
  t.style.backgroundColor = 'white';
  t.style.color = 'black';

 return true;
}