function checkForm()
{
	var ctitl, cname, ccomp, cadr, cadr2, ccity, cemail, cMobile, ccomments;
	with(window.document.msgform)
	{
		ctitl   = titl;
		cname    = sname;
		ccomp    = comp;
		cadr    = adr;
		cadr2    = adr2;
		ccity    = city;
		cemail   = email;
		cMobile = Mobile;
		ccomments = comments;
	}
	
	if(trim(ctitl.value) == '')
	{
		alert('This field should be filled! Please, enter your title!');
		ctitl.focus();
		return false;
	}
	else if(trim(cname.value) == '')
	{
		alert('This field should be filled! Please, enter your name!');
		cname.focus();
		return false;
	}
	else if(trim(ccomp.value) == '')
	{
		alert('This field should be filled! Please, enter name of your company!');
		ccomp.focus();
		return false;
	}
	else if(trim(cemail.value) == '')
	{
		alert('This field should be filled! Please, enter your email!');
		cemail.focus();
		return false;
	}
	else if(!isEmail(trim(cemail.value)))
	{
		alert('Sorry, your email address is not valid!');
		cemail.focus();
		return false;
	}
	
	else if(trim(cMobile.value) == '')
	{
		alert('This field should be filled! Please, enter your phone number!');
		cMobile.focus();
		return false;
	}
	
	else
	{
		ctitl.value    = trim(ctitl.value);
		cname.value    = trim(cname.value);
		ccomp.value    = trim(ccomp.value);
		cadr.value    = trim(cadr.value);
		cadr2.value    = trim(cadr2.value);
		ccity.value    = trim(ccity.value);
		cemail.value   = trim(cemail.value);
		cMobile.value = trim(cMobile.value);
		ccomments.value = trim(ccomments.value);
		return true;
	}
}

/*
Strip whitespace from the beginning and end of a string
Input : a string
*/
function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}

/*
Check if a string is in valid email format. 
Returns true if valid, false otherwise.
*/
function isEmail(str)
{
	var regex = /^[-_.a-z0-9]+@(([-_a-z0-9]+\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i;
	return regex.test(str);
}

function insertCCode(){
var mob, messageindex = document.msgform.countryCode[document.msgform.countryCode.selectedIndex].value;
    mob = window.document.msgform.Mobile;
	document.msgform.MobileCountry.value = ' +'+ messageindex;
	mob.focus();
}

function clearcomments()
{
	window.document.msgform.comments.value = '';
}

function namefocus()
{
	var nf = window.document.msgform.sname;
	nf.focus();
}

function cityfocus()
{
	var cf = window.document.msgform.city;
	cf.focus();
}