<!--
	function check_form() {
		var alert_str = "<?=$SITETEXT['errorsOccurred']?>\n\n";
		var errors = 0;
		var frmLogin = document.forms["login"];

		if(frmLogin.login_name.value=="") {
			alert_str += " - <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrUsername']?>!\n";
			errors++;
		}

		if(frmLogin.password.value=="") {
			alert_str += " - <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrPassword']!\n";
			errors++;
		}

		if(errors==0) {
			frmLogin.submit();
		} else {
			alert(alert_str);
		}
	}

	function check_register_form() {
		var alert_str = "<?=$SITETEXT['errorsOccurred']?>\n\n";
		var errors = 0;
		var frmRegister = document.forms["register"];

		if(frmRegister.first_name.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrFirstName']?>.\n";
			errors++;
		}

		if(frmRegister.last_name.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrLastName']?>.\n";
			errors++;
		}

		if(frmRegister.email.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrEmail']?>.\n";
			errors++;
		} else {

			var dot = frmRegister.email.value.lastIndexOf(".");
			var dd  = frmRegister.email.value.lastIndexOf("..");
			var atf = frmRegister.email.value.indexOf("@");
			var atl  = frmRegister.email.value.lastIndexOf("@");
			var atd = frmRegister.email.value.lastIndexOf("@.");
			var len = frmRegister.email.value.length;

			if(atl==-1 || dot==-1 || dd!=-1 || atd!=-1 || len-(dot+1)<2 || len-(atl+1)<4 || atf<1 || dot-atl<2 || atf!=atl) {
				alert_str += "	- <?=$SITETEXT['invalidEmail']?>.\n";
				errors++;
			}
		}

		if(frmRegister.company.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrCompany']?>.\n";
			errors++;
		}

		if(frmRegister.smail_1.value+frmRegister.smail_2.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrCompanyAddress']?>.\n";
			errors++;
		}

		if(frmRegister.city.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrCity']?>.\n";
			errors++;
		}

		if(frmRegister.postcode.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrPostcode']?>.\n";
			errors++;
		}

		if(frmRegister.telephone.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrPhone']?>.\n";
			errors++;
		}

		if(frmRegister.password_1.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrPassword']?>.\n";
			errors++;
		}

		if(frmRegister.password_2.value=="") {
			alert_str += "	- <?=$SITETEXT['retypePassword']?>.\n";
			errors++;
		}

		if(frmRegister.password_1.value!="" || frmRegister.password_2.value!="") {
			if(frmRegister.password_1.value!=frmRegister.password_2.value) {
				alert_str += "	- <?=$SITETEXT['retypePassword']?>.\n";
				errors++;
			}
		}

		if(frmRegister.country.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['yrCountry']?>.\n";
			errors++;
		}
		
		if(frmRegister.url.value=="") {
			alert_str += "	- <?=$SITETEXT['pleaseFillIn']?> <?=$SITETEXT['webSiteWork']?>.\n";
			errors++;
		}
				
		if(errors==0) {
			frmRegister.submit();
		} else {
			alert(alert_str);
		}

	}
	
	function open_image_popup(image, w, h){
		if(w=="") w = 500;
		if(h=="") h = 430;
		
		var image_width  = w+30;
		var image_height = h+30;

		var popup_window=window.open(image, "popup_window", "resizable=yes,scrollbars=yes,height="+image_height+",width="+image_width);
		popup_window.focus();
	}
	
	function open_image_fixed_popup(image){
		var w = "500";
		var h = "430";
		var popup_window=window.open(image, "popup_window", "resizable=yes,scrollbars=yes,height="+h+",width="+w);
		popup_window.focus();
	}
	
	function open_mm(url){
		var mm_window = window.open(url, "mm_window", "resizable=yes,scrollbars=yes,height=400,width=630");
		mm_window.focus();
	}
	
	function open_audio(url){
		var audio_window = window.open(url, "audio_window", "resizable=yes,scrollbars=yes,height=400,width=630");
		audio_window.focus();
	}
	
	function open_video(url){
		var video_window = window.open(url, "video_window", "resizable=yes,scrollbars=yes,height=400,width=630");
		video_window.focus();
	}
	
	function open_info(url){
		var video_window = window.open(url, "info", "resizable=yes,scrollbars=yes,height=300,width=630");
		video_window.focus();
	}
	
	function open_related(url){
		var rel_window = window.open(url, "rel_window", "resizable=yes,scrollbars=yes,height=540,width=650");
		rel_window.focus();
	}
	
	function open_mediasched(url){
		var med_window = window.open(url, "med_window", "resizable=yes,scrollbars=yes,height=550,width=630");
		med_window.focus();
	}
	
	function open_relart(url){
		var relart_window = window.open(url, "relart_window", "resizable=yes,scrollbars=yes,height=580,width=650");
		relart_window.focus();
	}
	
	function upload_image_popup(image){
		var imgobj = new Image();
		var imgname = image.substr(1,image.length);
		imgobj.src = imgname;
		
		var image_width = 800;
		var image_height = 600;

		var para_str = "resizable=1, status=1, width="+image_width+", height="+image_height;
		
		var img_popup_window=window.open(image,'img_popup_window', para_str);
		img_popup_window.focus();
	}
	
	function check_upload_form(){
		
		var frmUpload = document.forms[0];
		var alert_str = "Following errors occurred:\n\n";
		var errors = 0;
		
		if(frmUpload.subject.value==""){
			alert_str += "	- Please fill in a subject!\n";
			errors++;
		}
		
		if(frmUpload.title.value==""){
			alert_str += "	- Please fill in a title!\n";
			errors++;
		}
		
		if(errors==0){
			frmUpload.submit();
		} else {
			alert(alert_str);
		}
	}
//-->