// checks -------------------------------------------------------------------------
function check_login(frm,msg1,msg2,val,val2){
	if (frm.user_name.value == "" || frm.user_name.value == val){ alert(msg1); return false; }
	else {
			if (frm.password.value == "" || frm.password.value == val2){ alert(msg2); return false; }
			else { return true; }
		}
	}
function chPoll(msg){
	var form = document.pollForm;
	var isChecked = false;
	var radio = form.aid;
	for (var i=0; i<radio.length; i++) {
      	if (radio[i].checked == true) {isChecked = true; break;}
    }
	if(isChecked == false){alert(msg); return false;}
	else return true;
}
function chEmail(msg1,msg2,val){
	var form = document.emailForm;
	if(form.email.value=="" || form.email.value==val){alert(msg1); return false;}
	else{
		var mailstr=form.email.value;
		if (mailstr.search(/^[A-Za-z0-9_]+@+[A-Za-z0-9_\.]+\.+[a-z]{2,3}$/) == -1)
			{alert(msg2); return false;}
		else { return true; }
		}
}
function chFback(msg1,msg2){
	var form = document.feedbackForm;
	if(form.sender_name.value=="" || form.title.value=="" || form.text.value=="" || form.email_add.value==""){alert(msg1); return false;}
	else{
		var mailstr=form.email_add.value;
		if (mailstr.search(/^[A-Za-z0-9_]+@+[A-Za-z0-9_\.]+\.+[a-z]{2,3}$/) == -1)
			{alert(msg2); return false;}
		else { return true; }
		}
}
function chSearch(msg1,val){
	var form = document.searchForm;
	if(form.searchs.value=="" || form.searchs.value==val){ alert(msg1); return false;}
	else { return true; }
}
//---------------------------------------------------------------------------------------------------
function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}
window.onload = initRollovers;
//---------------------------------------------------------------------------------------------------
function openPopup_img(argHeight,argWidth,argTitle,argFile) {
	TheNewWin = window.open('','Image','left=20,top=20,height='+argHeight+',width='+argWidth+',toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes');
	TheNewWin.document.write('<head><title>'+argTitle+'</title><style>body{margin:0px;}</style></head>');
	TheNewWin.document.write('<body><center>');
	TheNewWin.document.write('<img src="'+argFile+'" width="'+argWidth+'" height="'+argHeight+'" border="0" />');
	TheNewWin.document.write('</center></body></html>');
return false;
}
//---------------------------------------------------------------------------------------------------
function slide_onoff(id) {

	if (id.style.display == 'none'){

		id.style.display = 'inline'

	} else {

		id.style.display = 'none'

	}

}
