var ie=document.all
var ns6=document.getElementById&&!document.all
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

var v = "visable"
var h = "hidden"
var t = "transparent"

	



function moveBy(war,dx,dy) {
	if(ns4) {
		document.layers[war].left = document.layers[war].left  + dx;
		document.layers[war].top = document.layers[war].top + dy;
	} else if(ie4) {
		document.all[war].style.left = document.all[war].style.pixelLeft  + dx;
		document.all[war].style.top = document.all[war].style.pixelTop + dy;
	}
}
function moveTo(war,x,y) {
	if(ns4) {		
		document.layers[war].left = x;
		document.layers[war].top = y;
	} else if(ns6) {
		document.getElementById(war).style.left = x;
		document.getElementById(war).style.top = y;
		}
	else if(ie4) {	
		document.all[war].style.left = x;
		document.all[war].style.top = y;
		}
	}

function clipBy(war, t, r, b, l) {
	if(ns4) {
		document.layers[war].clip.top += t;
		document.layers[war].clip.right += r;
		document.layers[war].clip.bottom += b;
		document.layers[war].clip.left += l;
	} else if(ie4) {
		ie_clip = document.all[war].style.clip;
		ie_clip = ie_clip.substring(5, ie_clip.length-1);
		ie_clip_wart = ie_clip.split("px");
		t += parseInt(ie_clip_wart [0]);
		r += parseInt(ie_clip_wart [1]);
		b += parseInt(ie_clip_wart [2]);
		l += parseInt(ie_clip_wart [3]);
		
		document.all[war].style.clip = 
			"rect(" + t + "px " + r + "px " + b + "px " + l + "px)";
	}
}
function clipTo(war, t, r, b, l) {
	if(ns4) {
   		document.layers[war].clip.top = t;
	    document.layers[war].clip.right = r;
   		document.layers[war].clip.bottom = b;
    	document.layers[war].clip.left = l;
	} else if(ie4) {
   		document.all[war].style.clip = 
			"rect(" + t + " " + r + " " + b + " " + l + ")";
	}else if(ns6) {
   		getDocumentById(war).style.clip = 
			"rect(" + t + " " + r + " " + b + " " + l + ")";
	}
}

function show(war) {
		if(ns4) {
		if (document.layers[war]){document.layers[war].visibility = "show";}
		} 
		else if(ns6) {
			document.getElementById(war).style.visibility = "visible";
		}
		else if(ie4) {	
			document.all[war].style.visibility = "visible";
		} 

		
	}

function hide(war) {
		if(ns4) {		
		if (document.layers[war]){document.layers[war].visibility = "hide";}
		} 
		else if(ns6) {
			document.getElementById(war).style.visibility = h;
		}
		else if(ie4) {	
			document.all[war].style.visibility = h;
		}
	}