function check_login(){
	error = 1;

	document.forms['MyForm'].user_log.value=document.forms['MyForm'].user_log.value.replace(/^\s\s*/, '').replace(/\s\s*$/, '');

	if(document.forms['MyForm'].user_log.value.length <5 || document.forms['MyForm'].user_log.value.search(/^[\w\d][\w\d\,\.\-]*\@([\w\d\-]+\.)+([a-zA-Z]+)$/) == -1){
		alert('Please enter your e-mail');
		error = 0;
		return;
	}
	if(document.forms['MyForm'].user_pass.value.length <4 || document.forms['MyForm'].user_pass.value=="Your password"){
		alert('Please enter your password');
		error = 0;
	}
	if(error==1){
	        document.forms['MyForm'].submit();
	}
}