3 examples of 'javascript change image' in JavaScript

415
function updateImage(value, w, h)
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		{
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			var select = null;
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			var cells = graph.getSelectionCells();
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			graph.getModel().beginUpdate();
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        	try
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        	{
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        		// Inserts new cell if no cell is selected
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    			if (cells.length == 0)
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    			{
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    				var gs = graph.getGridSize();
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    				cells = [graph.insertVertex(graph.getDefaultParent(), null, '', gs, gs, w, h)];
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    				select = cells;
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    			}
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        		graph.setCellStyles(mxConstants.STYLE_IMAGE, value, cells);
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	        	graph.setCellStyles(mxConstants.STYLE_SHAPE, 'image', cells);
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	        	if (graph.getSelectionCount() == 1)
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	        	{
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		        	if (w != null && h != null)
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		        	{
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		        		var cell = cells[0];
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		        		var geo = graph.getModel().getGeometry(cell);
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		        		if (geo != null)
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		        		{
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		        			geo = geo.clone();
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			        		geo.width = w;
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			        		geo.height = h;
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			        		graph.getModel().setGeometry(cell, geo);
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		        		}
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		        	}
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	        	}
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        	}
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        	finally
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        	{
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        		graph.getModel().endUpdate();
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        	}
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        	if (select != null)
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        	{
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        		graph.setSelectionCells(select);
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        		graph.scrollCellToVisible(select[0]);
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        	}
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		};

176
function changeImg(index) {
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    var list = obj1.getElementsByTagName('img');
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    var list1 = obj1.getElementsByTagName('font');
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    for (i = 0; i < list.length; i++) {
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        list[i].style.display = 'none';
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        list1[i].style.backgroundColor = 'white';
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    }
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    list[index].style.display = 'block';
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    list1[index].style.backgroundColor = 'blue';
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}

150
function changeImage(imageIndex) {
151
    if (imageIndex >= 0) {
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        activeImage = imageIndex;
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        activeURL = images[activeImage][0];
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        stop();
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        center.className = "lbLoading";
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        preload = new Image();
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        preload.onload = animateBox;
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        preload.src = activeURL;
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    }
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    return false;
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}