/* the following script returns the browser's document object model */

var isDHTML = 0;
var isLayers = 0;
var isAll = 0;
var isID = 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 getDOM(objectID,withStyle) {
	if (withStyle == 1) {
		if (isID) {
			return (document.getElementById(objectID).style);
		} else {
			if (isAll) {
				return (document.all[objectID].style);
			} else {
				if (isLayers) {
					return (document.layers[objectID]);
				}
			};
		}
	} else {
		if (isID) {
			return (document.getElementById(objectID));
		} else {
			if (isAll) {
				return (document.all[objectID]);
			} else {
				if (isLayers) {
					return (document.layers[objectID]);
				}
			};
		}
	}
}


function getNestedDOM(objectID1,objectID2,withStyle) {
	if (withStyle == 1) {
		if (isID) {
			return (document.getElementById(objectID2).style);
		} else {
			if (isAll) {
				return (document.all[objectID2].style);
			} else {
				if (isLayers) {
					if (objectID1) {
						return (document.layers[objectID1].document.layers[objectID2]);
					} else {
						return (document.layers[objectID2]);
					}
				}
			};
		}
	} else {
		if (isID) {
			return (document.getElementById(objectID2));
		} else {
			if (isAll) {
				return (document.all[objectID2]);
			} else {
				if (isLayers) {
					if (objectID1) {
						return (document.layers[objectID1].layers[objectID2]);
					} else {
						return (document.layers[objectID2]);
					}
				}
			};
		}
	}
}