// {{{ printBanner () 
function printBanner ()
{
	var cookieName 	= 'imageIndex';
	var index 	= null; // getCookieValue(cookieName);

	if (!index) 
	{
		index = Math.floor(Math.random() * 3 ) + 1;
		var expirationDuration = 3; // in hours
		var expireDate = new Date ();
		expireDate.setHours(expireDate.getHours() + expirationDuration);
		document.cookie = escape(cookieName) + "=" + index + "; expires=" + expireDate.toGMTString() + "; path=/";
	}
	
	document.write( '<img src="/images/banners/' + index + '.gif" width="770" height="220" id="banner" />' );
}
// }}}

// {{{ printVoiceBanner ( id ) 
function printVoiceBanner ( id )
{
	var index 	= Math.floor(Math.random() * 3 ) + 1;
	var banner	= document.getElementById( id );

	banner.src 	= 'images/voice/' + index + '.gif';
}
// }}}

/**
 *
 * Routine to get the current value of a cookie
 *
 *	Parameters:
 *		cookieName        Cookie name
 *      
 *  Return value:
 *		false             Failed - no such cookie
 *		value             Value of the retrieved cookie
 *		
 *		e.g. if (!getCookieValue("pans") then  {
 *			cookieValue = getCoookieValue ("pans2);
 *		}
 */

// {{{ getCookieValue (cookieName) 
function getCookieValue (cookieName) 
{
	var exp = new RegExp (escape(cookieName) + "=([^;]+)");
	
	if (exp.test (document.cookie + ";")) {
		exp.exec (document.cookie + ";");
		return unescape(RegExp.$1);
	} else {
		return false;
	}
}
// }}}

// {{{ MM_preloadImages() 
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];}}
}
// }}}

// {{{ MM_swapImgRestore() 
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;
}
// }}}

// {{{ MM_findObj(n, d) 
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;
}
// }}}

// {{{ MM_swapImage() 
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];}
}
// }}}

// {{{ googleSearch() 
function googleSearch(imageThis) 
{
	var form = imageThis.form;
	
	form.submit();
	return false;
}
// }}}

// {{{ mailContact( form ) 
function mailContact ( form ) 
{
	var first_name = form.elements['fname'];
	var last_name = form.elements['lname'];
	var email = form.elements['email'];
	var company = form.elements['company'];
	var phone = form.elements['phone'];
	var comments = form.elements['comments'];
	
	if (first_name.value == '') {
		alert('Please enter your first name.');
		first_name.focus();
		return false;
	}

	if (last_name.value == '') {
		alert('Please enter your last name.');
		last_name.focus();
		return false;
	}
	
	if (! isValidEmail(email.value) ) {
		alert('Please enter valid email address.');
		email.focus();
		return false;
	}	
	
	if (company.value == '') {
		alert('Please enter your company name.');
		company.focus();
		return false;
	}

	if (phone.value == '') {
		alert('Please enter your phone.');
		phone.focus();
		return false;
	}
	
	form.submit();
}
// }}}

// {{{ mailEmployment( form ) 
function mailEmployment ( form ) 
{
	var first_name = form.elements['fname'];
	var last_name = form.elements['lname'];
	var email = form.elements['email'];
	var phone = form.elements['phone'];
	var cv = form.elements['cv'];
	
	if (first_name.value == '') {
		alert('Please enter your first name.');
		first_name.focus();
		return false;
	}

	if (last_name.value == '') {
		alert('Please enter your last name.');
		last_name.focus();
		return false;
	}
	
	if (! isValidEmail(email.value) ) {
		alert('Please enter valid email address.');
		email.focus();
		return false;
	}	
	
	if (phone.value == '') {
		alert('Please enter your phone.');
		phone.focus();
		return false;
	}

	if (cv.value == '') {
		alert('Please attach your application.');
		cv.focus();
		return false;
	}
	
	form.submit();
}
// }}}

// {{{ isValidEmail (string email) 
// only basic check
function isValidEmail( str ) 
{
    return ( str.indexOf(".") > 2 ) && ( str.indexOf("@") > 0 );
}
// }}}