//Preload images
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];}
}

//Functions for zip code finder box validation
function IsNumeric(strString)
//  check for valid numeric strings	
{
	var strValidChars = "0123456789.-";
	var strChar;
	var blnResult = true;
	
	if (strString.length == 0) return false;
	
	//  test strString consists of valid characters listed above
	for (i = 0; i < strString.length && blnResult == true; i++)
  	{
  		strChar = strString.charAt(i);
 		if (strValidChars.indexOf(strChar) == -1)
		{
			 blnResult = false;
		}
 	}
	return blnResult;
}

function make_blank()
{
	document.getElementById('zip_code').value='';
}
function not_empty()
{
	if(document.getElementById('zip_code').value=='')
	{
	// frm_zipcode
	alert('Please enter your zip code and try again');
	document.getElementById('zip_code').focus();
	return false;
	}
	if(IsNumeric(document.getElementById('zip_code').value) ==false)
	{
	alert('Please enter numeric value only');
	document.getElementById('zip_code').focus();
	return false;
	}
}

//Functions for submiting a question
function isValidEmail(address) {
	if (address.indexOf('@') < 3) return false;
	var name = address.substring(0, address.indexOf('@'));
	var domain = address.substring(address.indexOf('@') + 1);
	if (name.indexOf('(') != -1 || name.indexOf(')') != -1 || name.indexOf('<') != -1 || name.indexOf('>') != -1 || name.indexOf(',') != -1 || name.indexOf(';') != -1 || name.indexOf(':') != -1 || name.indexOf('\\') != -1 || name.indexOf('"') != -1 || name.indexOf('[') != -1 || name.indexOf(']') != -1 || name.indexOf(' ') != -1) return false;
	if (domain.indexOf('(') != -1 || domain.indexOf(')') != -1 || domain.indexOf('<') != -1 || domain.indexOf('>') != -1 || domain.indexOf(',') != -1 || domain.indexOf(';') != -1 || domain.indexOf(':') != -1 || domain.indexOf('\\') != -1 || domain.indexOf('"') != -1 || domain.indexOf('[') != -1 || domain.indexOf(']') != -1 || domain.indexOf(' ') != -1) return false;
	return true;
}
function chkSv(formquestion)
{
	if (formquestion.q_name.value=="")
	{
		alert("Please Enter Name");
		formquestion.q_name.focus();
		return false;
	}
	 
	if (formquestion.q_question.value=="")
	{
		alert("Please Enter Question");
		formquestion.q_question.focus();
		return false;
	}
	return true;
}

//for login page
function trimAll(sString)
{
	while (sString.substring(0,1) == ' ')
	{
		sString = sString.substring(1, sString.length);
	}
	while (sString.substring(sString.length-1, sString.length) == ' ')
	{
		sString = sString.substring(0,sString.length-1);
	}
	return sString;
}
function chkSv(sForm)
{
	if (sForm.fullname.value=="")
	{
		alert("Please Enter Full Name");
		sForm.fullname.focus();
		return false;
	}		
	if(trimAll(document.sForm.email.value)=="")
	{
		alert("Email Cannot Be Blank");
		document.sForm.email.focus();
		return false;
	}
	if (!isValidEmail(sForm.email.value))
	{	  
		alert("Please Enter Appropriate Value For \"Email\" Field.");
		sForm.email.focus();
		return (false);
	}
	if (trimAll(sForm.txtpassword1.value) == "")
	{
		alert("Please enter your password.");
		sForm.txtpassword1.focus();
		return (false);
	}
	if (trimAll(sForm.txtpassword2.value) == "")
	{
		alert("Please enter your password.");
		sForm.txtpassword2.focus();
		return (false);
	}
	if (sForm.txtpassword1.value != sForm.txtpassword2.value)
	{
		alert("Please check your password. Your new password and confirm password should be same.");
		sForm.txtpassword2.focus();
		return (false);
	}
	if (sForm.customer_country.value=="")
	{
		alert("Please Enter Country");
		sForm.customer_country.focus();
		return false;
	}		
	if (sForm.speciality.value=="")
	{
		alert("Please Enter Your Specialty");
		sForm.speciality.focus();
		return false;
	}	
	return true;
}

function chkSv1(sForm)
{
	if (sForm.name.value=="")
	{
		alert("Please Enter Name");
		sForm.name.focus();
		return false;
	}
	if (sForm.city.value=="")
	{
		alert("Please Enter City");
		sForm.city.focus();
		return false;
	}
	if (sForm.state.value=="")
	{
		alert("Please Enter State");
		sForm.state.focus();
		return false;
	}	
	if (sForm.specialty.value=="")
	{
		alert("Please Enter Your Specialty");
		sForm.specialty.focus();
		return false;
	}
	if ((document.sForm.email.value==null)||(document.sForm.email.value==""))
	{
		alert("Please Enter your Email ID");
		document.sForm.email.focus();
		return false;
	}
	if (echeck(document.sForm.email.value)==false)
	{
		document.sForm.email.focus();
		return false;
	}	  
	if (sForm.tellphone.value=="")
	{
		alert("Please Enter Tellphone");
		sForm.tellphone.focus();
		return false;
	}	  
	return true;
}

function chkSv2(sForm)
{
	if (sForm.name.value=="")
	{
		alert("Please Enter Name");
		sForm.name.focus();
		return false;
	}
	if (sForm.city.value=="")
	{
		alert("Please Enter City");
		sForm.city.focus();
		return false;
	}
	if (sForm.state.value=="")
	{
		alert("Please Enter State");
		sForm.state.focus();
		return false;
	}
	if ((document.sForm.email.value==null)||(document.sForm.email.value==""))
	{
		alert("Please Enter your Email ID");
		document.sForm.email.focus();
		return false;
	}
	if (echeck(document.sForm.email.value)==false)
	{
		//document.sForm.email.value="";
		document.sForm.email.focus();
		return false;
	}
		
	if (sForm.specialty.value=="")
	{
		alert("Please Enter Your Specialty");
		sForm.specialty.focus();
		return false;
	}
	return true;
}

function chkSv3(sForm)
{
	if (sForm.fullname.value=="")
	{
		alert("Please Enter Full Name");
		sForm.fullname.focus();
		return false;
	}	
	if(trimAll(document.sForm.email.value)=="")
	{
		alert("Email Cannot Be Blank");
		document.sForm.email.focus();
		return false;
	}
	if (!isValidEmail(sForm.email.value))
	{  
		alert("Please Enter Appropriate Value For \"Email\" Field.");
		sForm.email.focus();
		return (false);
	}
	if (trimAll(sForm.txtpassword1.value) == "")
	{
		alert("Please enter your password.");
		sForm.txtpassword1.focus();
		return (false);
	}
	if (trimAll(sForm.txtpassword2.value) == "")
	{
		alert("Please enter your password.");
		sForm.txtpassword2.focus();
		return (false);
	}
	if (sForm.txtpassword1.value != sForm.txtpassword2.value)
	{
		alert("Please check your password. Your new password and confirm password should be same.");
		sForm.txtpassword2.focus();
		return (false);
	}
	if (sForm.customer_country.value=="")
	{
		alert("Please Enter Country");
		sForm.customer_country.focus();
		return false;
	}	
	if (sForm.speciality.value=="")
	{
		alert("Please Enter Your Specialty");
		sForm.speciality.focus();
		return false;
	}
	return true;
}



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 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
	 }

	 return true					
}