function bcc(){}

bcc.show_alert=function(){	
	var prefix='';
	if(window.location.pathname.indexOf("index.php")== -1){
		prefix='../';
	}
	var win=window.open(prefix+"Pages/alert.php",'win_alert','width=400,height=400,resizable=no');
	win.focus();
}

bcc.validate =function(form){
	clearMsg();
	var elems=form.elements;
	for(i=0;i<elems.length;i++){
		if(elems[i].getAttribute('req')=='true'){
			if(elems[i].value.length==0){
				alert('Required fields missing');
				return false;
			}
		}
	}
	if(document.getElementById('Email')){
		var txtEmail=document.getElementById('Email');
		var email_reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
		if(!email_reg.test(txtEmail.value)){
			alert('Invalid Email Address.');
			txtEmail.value='';
			return false;
		}
	}
	return true;
}

function clearMsg(){
	document.getElementById('msg').innerHTML='';
}

bcc.resize = function(){
	var container=document.getElementById('article_container');
	if(container && container.offsetHeight<600){
		container.style['height']='600px';
	}
	
}