Specific Fields Read Only

function Specific_Fields_Disable()

{

try{

var controls = ["field1","field2",................"Field_n"];

for (var i in controls) 

{

var control = Xrm.Page.ui.controls.get(controls[i]);

if (control.getDisabled && control.setDisabled && !control.getDisabled())

{

control.setDisabled(true);

}

}

}

catch(err)

{

alert(err.message);

}

}