Disable CRM 3.0 TABS Completely

Sometimes you like disable the tabs on CRM 3.0 entity completely depending upon certain conditions.

Below is the script that will just do that for you.

/**********************************/
//Author : Ashwinikumar
//Discription : Disables  Tabs
/**********************************/

var TabIndex = 1; //Specify the Tab index where the fields will be disabled, should be >=1


//Disable the  Tab
function DisableTabs()
{
	try
	{
			//Check if Tab exists
			if(document.getElementById("crmTabBar"))
			{
				var GetNode = document.getElementById("crmTabBar").parentNode.parentNode.nextSibling.firstChild; //Get the Main Tabs
				
				var GetTab = document.getElementById("tab"+(TabIndex-1)).getElementsByTagName("TD")[0];
				var FirstChild=GetTab.firstChild; //Get the first child instance
				
				var IFrame = document.createElement("iframe"); //Create a frame
				var IFrameInstance; //Holds the frame created

				GetNode.attachEvent("onresize",SetIframeSize);

				IFrame.setAttribute("id","CEICustomIframe"); // Set the frame Id
				
				//Check if frame is already rendered
				if(document.getElementById("CEICustomIframe") == undefined)
				{
					GetTab.insertBefore(IFrame,FirstChild); //Insert the frame in the Desired Tab as first child
				}

				//Set frame attributes
				IFrameInstance = document.getElementById("CEICustomIframe");
				IFrameInstance.style.filter="Alpha(Opacity=2)";
				IFrameInstance.style.position="absolute";
				IFrameInstance.style.visibility="visible";
				IFrameInstance.frameBorder=1;

				IFrameInstance.style.height = GetNode.clientHeight;
				IFrameInstance.style.width = GetNode.clientWidth - 14 //minus 14 so that scroll bar is accessible;
			}
		
		
	}
	catch (e)
	{
		alert(e.message);
	}

}

//Set the width the IFrame each time the Tab width resizes
function SetIframeSize()
{
	
	if(document.getElementById("CEICustomIframe"))
	{
		var GetNode = document.getElementById("crmTabBar").parentNode.parentNode.nextSibling.firstChild; //Get the Main Tabs
		IFrameInstance = document.getElementById("CEICustomIframe");
		IFrameInstance.style.height = GetNode.clientHeight;
		IFrameInstance.style.width = GetNode.clientWidth - 14; //minus 14 so that scroll bar is accessible

	}
}

function DisableFields(TagName)
{
	try
	{ 
		var Fields = document.getElementById("tab"+(TabIndex-1)).getElementsByTagName(TagName);
		//Put this code onLoad of any event and this will disable all the fields on the CRM form
		for(i=0;i		{
		 
		  if(!Fields[i].ReadOnly)
			{
				 Fields[i].ReadOnly=true;
			}

			if(!Fields[i].Disabled)
			{
				 Fields[i].Disabled=true;
			}
		}
		
	}

	catch(e)
	{
		
	}
}


//Execute the main logic
function Execute()
{
	
	//Disable tabs
	DisableTabs();

	//Disable fields incase user uses KEYBOARD TAB KEY
	DisableFields("SPAN");
	DisableFields("IMG");
	DisableFields("INPUT");
	DisableFields("TEXTAREA");

	
	
}



window.attachEvent("onresize",DisableTabs);


Execute();

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//END
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