// JavaScript Document

function disableYearBox(i)
{
	var yearTxt =document.getElementsByName('property_stage_year[]');
	
	for( x = 0 ; x < yearTxt.length ; x++ )
	{
		if(i!=x){
		yearTxt[x].value='';
		yearTxt[x].disabled=true;
		}
	}
	
	yearTxt[i].disabled=false;
}