Topic awaiting preservation: document.anchors difficulty

Hi guys, I've got a problem editting my anchors using document.anchors, here's my code so far...

function hideButtons(modus, myLink){



	var tPos=0 //position in image array of toggle button



	//for loop to find the position of the current toggle button

	for(i=0; i<document.anchors.length; i++){

		if(document.anchors[i].id==myLink.id){

			tPos=i;

		}

	}

		

	//statement to hide/show all buttons for editable region

	if(modus.value='WYSIWYG'){//hide buttons

		for(i=(tPos-10); i<tPos; i++){

			alert(document.anchors[i]..visibility='hidden');

		}

	}

	else{//Show buttons

		for(i=(tPos-10); i<tPos; x++){

			document.anchors[i].style.visibility='visible';

		}

	}

		

}

I've got a couple of text editors on my pages and they each have the same buttons, one of which changes the modus(HMTL/WYSIWYG) all butons are created as images with an anchor tag surrounding it, what I want to do is get the location of the anchor in the anchors array, subtract 10 to get a new position (there are always 10 buttons in a row) and change each of the ten items in the array to hidden/visible depending on the modus.

The errors I keep getting is that document.anchors[i].style is null or not an object.

Any clues here or alternative solution I could try using?

TIA

Blaise.

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