var myArrayObj = new Array();
var myArrayVis =new Array();

function myVisible(myObj){
	var mblnDone = false;	
	for(var i=0;i<myArrayObj.length;i++){
		if(myArrayObj[i] == myObj){
			if(myArrayVis[i] == "visible"){
				myArrayVis[i] = "none";
				document.getElementById("tr_" + myObj).style.display = "none";
			}
			else
			{
				myArrayVis[i] = "visible";
				document.getElementById("tr_" + myObj).style.display = "";
			}
			
			mblnDone = true;
		}
		else
		{
			myArrayVis[i] = "none";
			document.getElementById("tr_" + myArrayObj[i]).style.display = "none";
		}
	}
	if(mblnDone == false){
		document.getElementById("tr_" + myObj).style.display = "";
		myArrayObj[myArrayObj.length] = myObj;
		myArrayVis[myArrayVis.length] = "visible";
	}
}


function isNumeric(myObj,myForm){
	var myObject = eval("document.forms['" + myForm + "']."+  myObj.name);
	if(myObj.value != parseFloat(myObj.value)){
    	myObject.value = "";
	}
}