function ajaxFunction(a)
{
var tos=a;
var url="web_development.php?tos="+tos;
var xmlHttp;
	try
  		{  
			 xmlHttp=new XMLHttpRequest(); 
    	}
	catch (e)
 		{ 
				try
    				{  
		 				xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    				}
    catch (e)
   	   { 
				try
    				{   
		 				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");   
    				}
   		 	catch (e)
      		{ 
	    		 alert("Your browser does not support AJAX!");
		 		return false;
      		}  
		}
	}
 		 xmlHttp.onreadystatechange=function()
    	{
    	if(xmlHttp.readyState==4)
    		{
     			 document.getElementById('contentContainer').innerHTML=xmlHttp.responseText;
				
    		}
    }
  		 xmlHttp.open("GET",url,true);
 		 xmlHttp.send(null);
 		 return false;
    }
	
function validation()
{
var fname=document.getElementById('fname').value;
var comp=document.getElementById('comp').value;
var country=document.getElementById('country').value;
var city=document.getElementById('city').value;
var tos=document.getElementById('tos').value;
var lname=document.getElementById('lname').value;
var email=document.getElementById('email').value;
var ph=document.getElementById('ph').value;
var website=document.getElementById('website').value;
var cb = "";
var xmlHttp;
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	
		if(fname == '')
			{
				alert("Plz enter the first name");
				document.getElementById('fname').focus();
				return false;
			}
			
		if(comp == '')
			{
				alert("Plz enter the company name");
				document.getElementById('comp').focus();
				return false;
			}
			
		if(country == '')
			{
				alert("Plz select the country");
				document.getElementById('country').focus();
				return false;
			}
			
		if(city == '')
			{
				alert("Plz enter the city");
				document.getElementById('city').focus();
				return false;
			}
			
		if((tos == '') || (tos == 'select'))
			{
				alert("Plz select the type of site");
				document.getElementById('tos').focus();
				return false;
			}
			
		if(lname == '')
			{
				alert("Enter the lastname");
				document.getElementById('lname').focus();
				return false;
			}
			
		if(reg.test(email) == false)
			{
 				 alert('Invalid Email Address');
				 document.getElementById('email').focus();
  				 return false;
			}
			
		if(ph == '')
			{
				alert("Plz enter the phone no");
				document.getElementById('ph').focus();
				return false;
			}else 
					if(isNaN(ph))
			           {
					   		alert("Plz enter only number");
							document.getElementById('ph').focus();
							return false;
						}
						
		if(website == '')
			{
				alert("plz enter the website");
				document.getElementById('website').focus();
				return false;
		    }
			
		for (var i=0; i < document.cool.cb.length; i++)
   			{
   				if (document.cool.cb[i].checked)
      				{
     					 cb = cb + document.cool.cb[i].value +","+ "\n";
      				}				
	        }
			
		if(cb == '')
			{
				alert("please select the checkbox");
				return false;
			}		
		if(fname != '' )
			{
				document.getElementById('loading').style.display='block';
				document.getElementById('mailerr').style.display='none';
			
		try
  			{   
 			 xmlHttp=new XMLHttpRequest(); 
   			}
		catch (e)
  			{  
   		 try
    		{  
	 		 xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); 
	    	 }
 		 catch (e)
   			 {  
	  	try
     		 {  
	     	 xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");  
		      }
    	catch (e)
      		{    
	    	alert("Your browser does not support AJAX!");   
		   return false;   
		      } 
		   }
		 }
  			xmlHttp.onreadystatechange=function()
    		{
    	if(xmlHttp.readyState==4)
      	{    
			document.getElementById('loading').style.display='none';
			document.getElementById('mailerr').style.display='block';
			document.getElementById('mailerr').innerHTML=xmlHttp.responseText;
      	}
    }
  xmlHttp.open("GET","enquiryadd.php?fname="+fname+"&comp="+comp+"&country="+country+"&city="+city+"&tos="+tos+"&lname="+lname+"&email="+email+"&website="+website+"&ph="+ph+"&cb="+cb,true);
  xmlHttp.send(null);
  return false;
  }
}