var isDHTML = 0;
var isID = 0;
var isAll = 0;
var isLayers = 0;		

if (document.getElementById) {
	isID = 1; isDHTML = 1; 
} else {
	if (document.all) {
		isAll = 1; isDHTML = 1;
	} else {
		browserVersion = parseInt(navigator.appVersion);
		if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {
			isLayers = 1; isDHTML = 1;
		}
	}
}

function findDOM(objectID,frame_n,withStyle) {
	 if (frame_n) {
		var f=eval(frame_n);
	} else {
		var f=this;
	}
	if (withStyle == 1) {
		if (isID) { 
			return (f.document.getElementById(objectID).style) ; 
		} else { 
			if (isAll) { 
				return (f.document.all[objectID].style); 
			} else {
				if (isLayers) { 
					return (f.document.layers[objectID]); 
				}
			}
		}
	} else {
		if (isID) { 
			return (f.document.getElementById(objectID)) ; 
		} else { 
			if (isAll) { 
				return (f.document.all[objectID]); 
			} else {
				if (isLayers) { 
					return (f.document.layers[objectID]); 
				}
			}
		}
	}
}	

function change_layer(frame_n,layer_id,tekst) {
	if (findDOM(layer_id,frame_n,0)) {
		if (frame_n) {
			var f=eval(frame_n);
		} else {
			var f=this;
		}
		if(isLayers) {
			with (f.document[layer_id].document) {
		    	open ();
		        write (tekst);
		        close ();
			}
		} else if (isAll) {
			f.document.all(layer_id).innerHTML = tekst;
		} else {
		 	f.document.getElementById(layer_id).innerHTML = tekst;
		}		
	}
}