function confirmSubmit(msg)
{
var agree=confirm(msg);
if (agree)
	return true ;
else
	return false ;
}

function mijnmenu(id,img) 
{
	document.getElementById(id).src=img;
}

function lettersnumbers(evt)
{
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
        ((evt.which) ? evt.which : 0));
    if (charCode > 31 && (charCode < 65 || charCode > 90) && 
        (charCode < 97 || charCode > 122)) {
				    
				    
				    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
			        return false;
    }
    }
    return true;
}

 function numbers(evt)
		{
		    evt = (evt) ? evt : event;
		    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
		        ((evt.which) ? evt.which : 0));
		    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
		        return false;
		    }
		    return true;
		}

function check_url() {
     var url=document.linkform.url.value;
     var str="http://";
		 if(url.search(str)==-1) 
		 {
		 	document.linkform.url.value = document.linkform.url.value.replace("http:/", "");
		 	document.linkform.url.value = document.linkform.url.value.replace("http:", "");
		 	document.linkform.url.value = document.linkform.url.value.replace("http", "");
		 	document.linkform.url.value = 'http://'+document.linkform.url.value;
		 }
		 
     var tomatch= /http:\/\/[A-Za-z0-9\.-]{3,}\.[A-Za-z]{3}/
     if (tomatch.test(url)) return true;
     else
     {
         if (url == '')
         	{
         		document.linkform.url.style.backgroundColor = '#ffff80';
         		document.linkform.url.style.border = '1px solid red';
         	}
         return false; 
     }
}

function hideMouse ()
{
	window.document.magazine.SetVariable("drag", "false");
}