function check(award_form)
{
	if(award_form.company.value=='')
	{
		alert("Please Enter Company name");
		award_form.company.focus();
		return false;
	}
	if(award_form.name.value=='')
	{				
		alert("Please Enter Your Name");
		award_form.name.focus();
		return false;
	}
	if(award_form.email.value=='')
	{				
		alert("Please Enter Your Email");
		award_form.email.focus();
		return false;
	}
	if(!isEmail(trim(award_form.email.value))) 
	{
   		alert('Email address is not valid');
   		award_form.email.focus();
   		award_form.email.select();
   		return false;
	}
}


function check_old(award_form)
{					
	if(award_form.first_name.value=='')
	{
		alert("Please Enter Your Name");
		award_form.first_name.focus();
		return false;
	}
	if(award_form.email.value=='')
	{				
		alert("Please Enter your Email Id");
		award_form.email.focus();
		return false;
	}
	if(!isEmail(trim(award_form.email.value))) 
	{
   		alert('Email address is not valid');
   		award_form.email.focus();
   		award_form.email.select();
   		return false;
	}
	if(award_form.company.value=='')
	{
		alert("Please Enter your Company Name");
		award_form.company.focus();
		return false;
	}
	if(award_form.website.value!='')
	{
		if(checkURL(award_form.website)==false)
		{
			return false;
		}				
	}			
	if(award_form.video.value!='')
	{
		if(checkURL(award_form.video)==false)
		{				
			return false;
		}					
	}			
}	
	
function trim(str)
{
   	return str.replace(/^\s+|\s+$/g,'');	
}	

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 checkURL(field)
{
	if (!isURL(field.value))
	{
		alert('Please Enter the Correct URL!');
		field.focus();
		field.select();
		return false;
	}
}

function isURL(url)
{
	var urlPattern = /^(?:(?:ftp|https?):\/\/)?(?:[a-z0-9](?:[-a-z0-9]*[a-z0-9])?\.)+(?:com|edu|biz|org|gov|int|info|mil|net|name|museum|coop|aero|[a-z][a-z])\b(?:\d+)?(?:\/[^;"'<>()\[\]{}\s\x7f-\xff]*(?:[.,?]+[^;"'<>()\[\]{}\s\x7f-\xff]+)*)?/;
	return urlPattern.test(url.toLowerCase());
}

function valid()
{
	hide_div();
	var check = true;
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if(document.getElementById("name").value=='')
	{
		document.getElementById("name_err").style.display = "block";
		check = false;
	}
	if(document.getElementById("email").value=='')
	{
		document.getElementById("email_err").style.display = "block";
		check = false;
	}
	if(document.getElementById("email").value != "" && !filter.test(document.getElementById("email").value))
	{
		document.getElementById("email_err").style.display = "none";
		document.getElementById("emailvalid_err").style.display = "block";
		check = false;
	}
	return check;
}
function hide_div()
{
	document.getElementById("name_err").style.display = "none";
	document.getElementById("email_err").style.display = "none";
	document.getElementById("emailvalid_err").style.display = "none";
}