// JavaScript Document
function custformcheck()
{
	var custname=document.getElementById("name")
	if(validCName(custname))
	{
			
		if (validCEmail()) {
			if (validCcommand()) {
				//alert("Function completed")
				document.forms[0].submit();
				return true;
				}
			}
		}
}
	




function validCName(sname)
{ 
	var inputval=sname.value;
  	if(inputval.length>50)
   	{
      alert('Maximum length is 50');
       sname.select();
      return false;
   	}
   	if(inputval.length==0)
   	{
      alert('Please Enter Your name');
      sname.focus();
      return false;
   	}
    if(inputval.length<4)
   	{
      alert('Your Name should be minimum 4 chars');
      sname.select();
      return false;
   	}
   	if ((inputval=="N/A") || (inputval=="NA") || (inputval=="na") || (inputval=="n/a"))
	{
	
	}
	else
	{
		for(var i=0;i<inputval.length;i++)
     	{
       		var ch=inputval.charAt(i);
			if((i==0) && (ch==" "))
       		{
	         	alert("Avoid using spaces");
    	    	// nameval.value="";
        	 	sname.select();
         		return false;
       		}     
        	if (i == 0 && ((ch < "A" || ch > "Z") && (ch < "a" || ch > "z") && (ch == "."))) {
				alert("Enter only Alphabetic chars");
				//nameval.value="";
				sname.select();
				return false;
			}
			else if ((ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z")||(ch==".")||(ch==" ")) {
			
			}
			else {
				alert("Not a Valid Name");
				//nameval.value="";
				sname.select();
				return false;
			}
       	}
	}	
	return true;
}



function validCcommand()
{	
	
	var ccomment=document.getElementById("comment")
	var inputval=ccomment.value;
  	if(inputval.length>250)
   	{
      	alert('Maximum length is 250');
       	ccomment.select();
      	return false;
   	}
   	if(inputval.length==0)
   	{
      	alert('Please Enter any comment');
      	ccomment.focus();
      	return false;
   	}
    if(inputval.length<1)
   	{
      	alert('Last name should be minimum 1 chars');
      	ccomment.select();
      	return false;
   	}
   	if ((inputval=="N/A") || (inputval=="NA") || (inputval=="na") || (inputval=="n/a"))
	{
	
	}
	else
	{
		for(var i=0;i<inputval.length;i++)
     	{
       		var ch=inputval.charAt(i);
			if((i==0) && (ch==" "))
       		{
         		alert("Avoid using spaces");
        		// nameval.value="";
         		ccomment.select();
         		return false;
       		}      
        	if (i == 0 && ((ch < "A" || ch > "Z") && (ch < "a" || ch > "z"))) {
				alert("Enter only Alphabetic chars");
				//nameval.value="";
				ccomment.select();
				return false;
			}
			else if ((ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z")||(ch==" ")||(ch==".")) {
			
			}
			else {
				alert("Not a Valid comment");
				//nameval.value="";
				ccomment.select();
				return false;
			}
       	}
	}	
	return true;	
	
}




function eccheck(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					
}

function validCEmail()
{
	var mailval=document.getElementById('email')
	var mail=mailval.value;
	var maillength=mail.length;
	var lwdot=mail.lastIndexOf(".")
	var total=mail.substring(lwdot+1,maillength);
	var tolen=total.length;
	if ((mail==null)||(mail==""))
	{
		alert("Please Enter your Email ID");
		mailval.select();
		return false;
	}
	if ((mail=="N/A") || (mail=="n/a")||(mail=="na"))
	{
		return true;
	}
	if(maillength>50)
   	{
      	alert('Maximum length is 50');
      	//mailval.value="";
      	mailval.select();
      	return false;
   	}
	if((tolen<=1) && (mail!=""))
	{
		alert("Invalid E-mail ID");
		mailval.select();
		return false;
	}
	if (eccheck(mail)==false){
		mailval.select();
		//emailID.focus()
		return false;
	}
   	if ((mail=="N/A") || (mail=="NA") || (mail=="na") || (mail=="n/a"))
	{
	
	}
	else
	{
		for(var i=0;i<maillength;i++)
     	{
       		var ch=mail.charAt(i);
			if((i==0) && (ch==" "))
       		{
         		alert("Avoid using spaces");
        		// nameval.value="";
         		mailval.select();
 	        	return false;
    	   	}      
        	if((ch < "A" || ch > "Z") && (ch < "a" || ch > "z") 
       		&& (ch < "0" || ch > "9")&& ch!="_" && ch!="." && ch!="@")
       		{
          		alert("Enter valid Email address");
		  		//textObj.value="";
          		mailval.select();
          		return false;
       		}
       	}
	}
	return true
}