function show(id1,id2,id3)
{   
    if(document.getElementById(id2).style.display=="block") 
    document.getElementById(id2).style.display="none";
	
	if(document.getElementById(id3).style.display=="block")
	document.getElementById(id3).style.display="none";
	
	
	document.getElementById(id1).style.display="block";
	
	
}







function show_form(id)
{
document.getElementById(id).style.display="block";

}
function hide_error(id1,id2)
{
	
	
	
if(id1)
{
document.getElementById(id1).style.display="none";
}
if(id2)
{
	document.getElementById(id2).style.display="none";
}

}










function changeclass()
{

var Href = window.location.href;


	
var str=Href.indexOf("www")>0 ?"http://www.princeinfosys.com":"http://princeinfosys.com";

var a=str.concat("<?php echo $_SERVER['PHP_SELF'];?>") ;
	
var b=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=p1") ;
	
var c=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=p2") ;	
	
var d=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=p3") ;

var e=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=pc") ;

var f=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=pkg_des") ;	
	
var g=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=soft") ;	
	
var h=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=p5") ;

var i=str.concat("<?php echo $_SERVER['PHP_SELF'];?>?page=p6") ;


	



switch(Href)
{

  case a :document.getElementById('L1').className = 'current';
			break;

  case b : document.getElementById('L2').className='current';
  			break;


   case c : document.getElementById('L3').className='current';
 			 break;

  case d : document.getElementById('L4').className='current';
  			break;


  case e : document.getElementById('L5').className='current';
  			break;



  case f : document.getElementById('L6').className='current';
  			break;
  
  case g : document.getElementById('L7').className='current';
  			break;
  
  case h : document.getElementById('L8').className='current';
  			break;


  case i: document.getElementById('L9').className='current';
  			break;



}




}



function check(f)
{
	var error=1;
	var field;
	var email_field=f.elements["email"];
	
   for(var i=0;i<f.elements.length;i++)
	{
	field=f.elements[i];
	 
	if(field.value==null || field.value=="")
	 {
		
		 error=0;
		 
		 switch(i)
		 {
			 
			case 0 : document.getElementById("name_err").style.display="inline";
					  break;
					  
			 case 1 : document.getElementById("email_err2").style.display="inline";
					  break;
			 
			 case 2 : document.getElementById("contact_err1").style.display="inline";
					  break;
			  
			 
		 }
		 
		 continue;
		 
	 }
	 
	}
	 
	


   if(email_field.value)
   {
	var atpos=email_field.value.indexOf("@");
	var dotpos=email_field.value.lastIndexOf(".");
	var email_first_letter=email_field.value.charAt(0);
	
	if(atpos<1 || dotpos-atpos<3||!isNaN(email_first_letter))
	{
	error=0;	
	document.getElementById("email_err1").style.display="inline";
	
	}
	

	
   }
	
	if(f.contact.value)
	{
	if(isNaN(f.contact.value))
	{
		error=0;
	document.getElementById("contact_err2").style.display="inline";
	
	
	}
	
	
	}
	
	
	if(f.resume.value)
	{
	if(f.resume.value.lastIndexOf(".doc")==-1 &&
			f.resume.value.lastIndexOf(".docx")==-1&&
			
			f.resume.value.lastIndexOf(".odt")==-1 &&
			
				f.resume.value.lastIndexOf(".pdf")==-1 &&
				f.resume.value.lastIndexOf(".txt")==-1 &&				
				f.resume.value.lastIndexOf(".rtf")==-1 )							   
								   
			{
   alert("File type not supported");
   error=0;
}
	
	}
	
	else
	{
		 alert("Please select a file");
   error=0;
		
		
	}
	
	
	
   
	
	
	
	if(error==0)
	{
		return false;
		
	}
		
	else
	{
	confirm('Are you sure with the provided information ?');	
		
    return true;
	}
	
	

}



function check_apply(f)
{
	
	var error=1;
	var field;
	var email_field=f.elements["applicant_email"];
	
	
	 for(var i=0;i<f.elements.length;i++)
	{
	field=f.elements[i];
	 
	if(field.value==null || field.value=="")
	 {
		
		 error=0;
		 continue;
		 
	 }
	 
	}
	
	
	
	
	
	
	
	
	
	 if(email_field.value)
   {
	var atpos=email_field.value.indexOf("@");
	var dotpos=email_field.value.lastIndexOf(".");
	var email_first_letter=email_field.value.charAt(0);
	
	if(atpos<1 || dotpos-atpos<3||!isNaN(email_first_letter))
	{
	error=0;	
	document.getElementById("app_email_err").style.display="inline";
	
	}
	

	
   }
	
	if(f.applicant_contact.value)
	{
	if(isNaN(f.applicant_contact.value))
	{
		error=0;
	document.getElementById("app_contact_err").style.display="inline";
	
	
	}
	
	
	}
	
	
	
	
	
	if(error==0)
	{
		return false;
		
	}
		
	else
	{
	confirm('Are you sure with the provided information ?');	
		
    return true;
	}
	
	
	
	
	
	
	
	
	
}





function check_query_form(f)
{
	
	
	
	
	var error=1;
	var field;
	var email_field=f.elements["from_email"];
	
	
	 for(var i=0;i<f.elements.length;i++)
	{
	field=f.elements[i];
	 
	if(field.value==null || field.value=="")
	 {
		
		 error=0;
		 
		 switch(i)
		 {
			 
			case 0 : document.getElementById("name_error").style.display="inline";
					  break;
					  
			 case 1 : document.getElementById("email_error1").style.display="inline";
					  break;
			 
			 case 2 : document.getElementById("query_error").style.display="inline";
					  break;
			  
			 
		 }
		 
		 continue;
		 
	 }
	 
	}
	 
	 if(email_field.value)
   {
	var atpos=email_field.value.indexOf("@");
	var dotpos=email_field.value.lastIndexOf(".");
	var email_first_letter=email_field.value.charAt(0);
	
	if(atpos<1 || dotpos-atpos<3||!isNaN(email_first_letter))
	{
	error=0;	
	document.getElementById("email_error2").style.display="inline";
	
	}
	

	
   }
	
	
	if(error==0)
	{
		return false;
		
	}
		
	else
	{
		
	alert('Your query will be answered as soon as possible');	
    return true;
	}
	
	
}


function show_apply_box()
{ 

 


	document.getElementById("apply_form").style.display="block";
	
	
}


function hide_apply_box()
{

	document.getElementById("apply_form").style.display="none";
	
}