function isBlank(s) {
  if ((s == null) || (s == "")) return true;
  return false;
}

// Set focus on screen to first blank input area
function blankFocus() {
  ff = -1;
  if (document.forms.length > 0) {
    field = document.forms[0];
    for (i=0; i<field.length; i++) {
      elt = field.elements[i];
      if ( (elt.type == "text") || 
           (elt.type == "password") ||
           (elt.type == "file") ||
           (elt.type == "textarea") ||           
           (elt.type == "select-one") ) {
        if (elt.name != "dummy") {
          if (ff == -1) ff = i;
          if (isBlank(elt.value)) {
            elt.focus();
            return;
          }
        }
      }
    }
    // If no blanks, set to first field!
    if (ff > -1) field.elements[ff].focus();
  }
}

function setJS() {
	document.QuestionEntry.JavaScript.value = 'true';
}

function MM_popupMsg(msg) { //v1.0
  alert(msg);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(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 address")
		   return false
		}

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

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

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

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

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

 		 return true					
	}

function ValidateForm(){
	var emailID=document.dtquote.email
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your e-mail address")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }


function setFocus() {

if (document.forms.length > 0)
{
    var field = document.forms[0];
    for (num = 0; num < field.length; num++)
    {
        if ((field.elements[num].type == 'text') || (field.elements[num].type == 'textarea'))
        {
            document.forms[0].elements[num].focus();
            break;
        }
    }
}

}

