function EGO() {
	return screen.width;
}
function EYO() {
	return screen.height;
}


function PGO() {
	if (document.all) {
		return document.body.offsetWidth;
	} 
	else {
		return window.innerWidth
	}	
}

function PYO() {
	if (document.all) {
		return document.body.offsetHeight;
	} 
	else {
		return window.innerHeight;
	}
}


function git(katman,x,y) {

	if (document.all) {
		document.all[katman].style.pixelLeft = x;
		document.all[katman].style.pixelTop = y;
	}
	else if (document.layers) {
		document.layers[katman].moveTo(x,y);
	}
	else {
	    document.getElementById(katman).style.left = x +"px";
		document.getElementById(katman).style.top = y +"px";
	}		
}


function kaybol(katman) {

	if (document.all) {
		document.all[katman].style.visibility="hidden";
	}
	else if (document.layers) {
		document.layers[katman].visibility="hide";
	}
	else {
		document.getElementById(katman).style.visibility="hidden";
	}	
}


function gorun(katman) {

	if (document.all) {
		document.all[katman].style.visibility="visible";
	}
	else if (document.layers) {
		document.layers[katman].visibility="show";
	}
	else {
		document.getElementById(katman).style.visibility="visible";
	}	
}


function KYO(katman){
  	var yukseklik;		 
  	if (document.all) {
  		yukseklik=document.all[katman].offsetHeight;
  	}
  	else if (document.layers) {
  		yukseklik=document.layers[katman].document.height;
  	}
  	else if (document.getElementById) {
  		yukseklik=document.getElementById(katman).offsetHeight;
  	}
  	return yukseklik;
}


function KGO(katman){
  	var genislik;		 
  	if (document.all) {
  		genislik=document.all[katman].offsetWidth;
  	}
  	else if (document.layers) {
  		genislik=document.layers[katman].document.width;
  	}
  	else if (document.getElementById) {
  		genislik=document.getElementById(katman).offsetWidth;
  	}
  	return genislik;
}


function ustOku(katman) {
	if (document.all) {
		return document.all[katman].style.pixelTop;
	}
	else if (document.layers) {
		return document.layers[katman].top;
	}
	else {
	    return parseInt(document.getElementById(katman).style.top);
	}
}
function solOku(katman) {
	if (document.all) {
		return document.all[katman].style.pixelLeft;
	}
	else if (document.layers) {
		return document.layers[katman].left;
	}
	else {
	    return parseInt(document.getElementById(katman).style.left);
	}
}