function formFocus()
{ // convenient way to start the form onLoad
  if(!document.forms.length) return;
  var els= document.forms[0].elements;
  try {
	  for(var i= 0; i < els.length; i++) {
		if(els[i].type != 'hidden' && els[i].disabled == false && (els[i].readOnly == undefined || els[i].readOnly == false)) { els[i].focus(); return; }
	  }
  } catch(e)  {}
}
function SetFocus() {
  if (document.forms.length > 0) {
    var field = document.forms[0];
    for (i=0; i<field.length; i++) {
      if ( (field.elements[i].type != "image") &&
           (field.elements[i].type != "hidden") &&
           (field.elements[i].type != "reset") &&
           (field.elements[i].type != "submit") ) {

        document.forms[0].elements[i].focus();

        if ( (field.elements[i].type == "text") ||
             (field.elements[i].type == "password") )
          document.forms[0].elements[i].select();

        break;
      }
    }
  }
}

function rowOverEffect(object) {
  if (object.className == 'dataTableRow') object.className = 'dataTableRowOver';
}

function rowOutEffect(object) {
  if (object.className == 'dataTableRowOver') object.className = 'dataTableRow';
}

function emailvalid(str) {
	

		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID");
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }

 							
	}

function check_url(url) {
	//alert("hi");
     var theurl = url;
     var tomatch= /http:\/\/[A-Za-z0-9\.-]{3,}\.[A-Za-z]{3}/
	 //alert(tomatch);
     if (tomatch.test(theurl))
     {
         //window.alert("URL OK.");
         return true;
     }
     else
     {
         window.alert("URL invalid. Try again.");
         return false; 
     }
}
if (window.addEventListener)
window.addEventListener("load", formFocus, false)
else if (window.attachEvent)
window.attachEvent("onload", formFocus)
else if (document.getElementById)
window.onload=formFocus