/*======================================
	JavaScript : Other Control Page
	Date : 02 December, 2011
	Name : Kuch ChanOngPang
	Email : welcome.ongpang@gmail.com	 
			pang@bigmancambodia.com 
	Personal Site : www.ongpang.0fees.net
					www.iknow.edu.cm
========================================*/

// drop down header user account
function ShowDropDown(){
	if(document.getElementById("hide_drop").style.display == "none"){
		document.getElementById("hide_drop").style.display = "block";
	}else {
		document.getElementById("hide_drop").style.display = "none";
	}
}

// maxlength textarea
function ismaxlength(obj){
	var mlength = obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
	if (obj.getAttribute && obj.value.length>mlength){
		obj.value = obj.value.substring(0,mlength);
	}
}

// Control Mail
function validEmail(email) {
	invalidCharsq = " `~!#$%^&*()-+=\"|/?<>{[]},;:'";
	if(email == "") {
		return false;
	}
	for(i = 0; i < invalidCharsq.length; i++) {
		badCharq = invalidCharsq.charAt(i);
		if(email.indexOf(badCharq,0) > -1) {
			return false;
		}
	}
	atPos = email.indexOf("@",1);
	if(atPos == -1) {
		return false;
	}
	if(email.indexOf("@",atPos+1) > -1) {
		return false;
	}
	periodPos = email.indexOf(".",atPos);
	if(periodPos == -1) {
		return false;
	}
	if(periodPos+3 > email.length) {
		return false;
	}	
	return true;
}