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) { //v4.01
  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 && d.getElementById) x=d.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 clearTextField(thefield,thevalue){
	if (thefield.value==thevalue){
		thefield.value = "";
	}
}

function getField(form, fieldname){
	return eval("form."+fieldname);
}

function getFieldValue(form, fieldname){
	return getField(form, fieldname).value;
}

function checkMandatory(form, fieldname){
	var value = getFieldValue(form, fieldname);
	return (value.length != 0);
}

function checkEqualValue(form, fieldname, value){
	var valuefield = getFieldValue(form, fieldname);
	return (valuefield == value);	
}

function checkDomain(form, fieldname){
	var value = getFieldValue(form, fieldname);
	if (value.length != 0) {	  
	  pattern=/^[A-Za-z0-9][-A-Za-z0-9]*$/;
	  return pattern.test(value);
	}	
	return true;
}

function checkNumeric(form, fieldname){
	var value = getFieldValue(form, fieldname);
	if (value.length != 0) {	  
	  pattern=/^\d*$/;
	  return pattern.test(value);
	}	
	return true;
}
function checkBoxChecked(form,fieldname){
	var mx=getField(form, fieldname).length;
	var bok=false;
	if (mx===undefined) 
	{
		if (getField(form, fieldname).checked)
			bok=true;
	}
	else
	{
		for (i=0;i<mx;i++)
		{
			if (getField(form, fieldname)[i].checked==true)
				bok=true;
		} 
	}
	return bok;
}

function checkEmail(form, fieldname) {
	 var emailStr = getFieldValue(form, fieldname);
   if (emailStr.length == 0) {
       return true;
   }
   var emailPat=/^(.+)@(.+)$/;
   var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
   var validChars="\[^\\s" + specialChars + "\]";
   var quotedUser="(\"[^\"]*\")";
   var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/;
   var atom=validChars + '+';
   var word="(" + atom + "|" + quotedUser + ")";
   var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
   var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$");
   var matchArray=emailStr.match(emailPat);
   if (matchArray == null) {
       return false;
   }
   var user=matchArray[1];
   var domain=matchArray[2];
   if (user.match(userPat) == null) {
       return false;
   }
   var IPArray = domain.match(ipDomainPat);
   if (IPArray != null) {
       for (var i = 1; i <= 4; i++) {
          if (IPArray[i] > 255) {
             return false;
          }
       }
       return true;
   }
   var domainArray=domain.match(domainPat);
   if (domainArray == null) {
       return false;
   }
   var atomPat=new RegExp(atom,"g");
   var domArr=domain.match(atomPat);
   var len=domArr.length;
   if ((domArr[domArr.length-1].length < 2) ||
       (domArr[domArr.length-1].length > 3)) {
       return false;
   }
   if (len < 2) {
       return false;
   }
   return true;
}

function checkPhoneNumberFormat(form, fieldname)
{
	var phoneStr = getFieldValue(form, fieldname);
	var result= true;
	if (phoneStr.length != 0) {	  
	  phonePat=/^([\s\+-\/\.]*[0-9][\s\+-\/\.]*)*$/;
	  result= phoneStr.match(phonePat);
	}
	if(result){
	  return true;
  } else {
    return false;
  }
}


function startText(txtTotrf) {
var thisString;
thisString = txtTotrf;
thisString = thisString.replace("&eacute;", "é", "g");
thisString = thisString.replace("&ntilde;", "ñ", "g");
thisString = thisString.replace("&iacute;", "í", "g");
thisString = thisString.replace("&oacute;","ó","g");
thisString = thisString.replace("&aacute;","á","g");
thisString = thisString.replace("&iacute;","í","g");
thisString = thisString.replace("&egrave;", "è", "g");
thisString = thisString.replace("&agrave;", "à", "g");
thisString = thisString.replace("&acirc;", "â", "g");
thisString = thisString.replace("&ecirc;", "ê", "g");
thisString = thisString.replace("&icirc;", "î", "g");
thisString = thisString.replace("&ocirc;", "ô", "g");
thisString = thisString.replace("&ucirc;", "û", "g");
thisString = thisString.replace("&auml;", "ä", "g");
thisString = thisString.replace("&euml;", "ë", "g");
thisString = thisString.replace("&iuml;", "ï", "g");
thisString = thisString.replace("&ouml;", "ö", "g");
thisString = thisString.replace("&uuml;", "ü", "g");


return thisString; 
}