var doit = true
function showm(ob,pict) {
  if(doit) {
    document.getElementById(ob).style.height = '170';
    document.getElementById(pict).src = 'pro-img/arrowl.gif';
    doit = false;
  }
  else {
    document.getElementById(ob).style.height = '20';
    document.getElementById(pict).src = 'pro-img/arrowd.gif';
    doit = true;
  }
}

function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
{
alert(alerttxt);
return false
}
else {return true}
}
}


function validateS(field,aa)
{
with (field)
{
				var selectedCombobox=(document.submiturl.category.value);
				if (selectedCombobox=="-1") {
					alert(aa);
					return false;
				}
				return true;
			}
}

function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@")
dotpos=value.lastIndexOf(".")
if (apos<1||dotpos-apos<2)
{alert(alerttxt);return false}
else {return true}
}
}

function validate_phone(field,aa)
{
with (field)
{
var ph=value.search(/\d{10,12}/)
   if(ph==-1)
   {
      alert(aa);
      return false;
   }
}
}





function validate_form(thisform)
{
with (thisform)
{
if (validate_required(txtname,"Please enter your Name!")==false)
{txtname.focus();return false}

else if (validate_required(txtcompany,"Please enter Company Name!")==false)
{txtcompany.focus();return false}

else if (validate_required(txtbacklink,"Not a valid Backlink address!")==false)
{txtbacklink.focus();return false}

else if (validateS(category,"Choose your Category!")==false)
{category.focus();return false}

else if (validate_required(txtaddlink,"Not a valid Link address!")==false)
{txtaddlink.focus();return false}

else if (validate_required(txturl,"Please enter your Website URL!")==false)
{txturl.focus();return false}

}
}

function validate_form1(thisform)
{
with (thisform)
{
if (validate_required(txtname,"Please enter your Name!")==false)
{txtname.focus();return false}

if (validate_email(txtemail,"Not a valid e-mail address!")==false)
{txtemail.focus();return false}

if (validate_phone(txtphone,"Not a valid Phone no!")==false)
{txtphone.focus();return false}

if (validate_required(txtarquery,"Please enter ur query!")==false)
{txtarquery.focus();return false}

}
}