function highlight_image_on(parentID,modelID)
{
  var defaultImgPath = 'images/plan_thumbs/65pixhighsample.jpg';

	//Swap the image to match the current model
	var image = document.getElementById(parentID);
	image.src = "/images/plan_thumbs/" + parentID + "," + modelID + ".jpg";
	//image.onerror = function () {this.src= defaultImgPath}
	
	//Clear the existing rows with the same parent
	var table = document.getElementById("models");
	var rows = table.getElementsByTagName("tr");
	
	for (var i = 0; i < rows.length; i++) {

		var idName = rows[i].id;
		var pattern = "^row_" + parentID;
		
		if (idName.search(pattern) == 0 ) {
			//alert("Node: " + el.childNodes[i].id);
			rows[i].className = "";
		}
	}

	//Highlight the current row
	var row = document.getElementById("row_" + parentID + "_" + modelID );
	row.className = "highlight";

}

function highlight_image_off(parentID,modelID)
{

//var row = document.getElementById("row_" + parentID + "_" + modelID );
//row.className = "";

}

function fnSetDefaultImg(parentID) {
	var image = document.getElementById(parentID);
	image.src = "/images/plan_thumbs/65pixhighsample.jpg";

}