function topPropertiesValidate() 
{
	var pagePath = window.location.pathname;
	var pageName = pagePath.substring(pagePath .lastIndexOf('/') + 1);
	var cookiesAvailable = document.cookie
	
	if(pageName =='Default.aspx' || pageName =='default.aspx')
	{
		 var e = document.getElementById("ctl00_cphMain_DropDownList1"); 
		 var sectorName = e.options[e.selectedIndex].value; 

		 if(sectorName=='Office')
		 {
		   document.cookie="=Top"
		   document.getElementById('ctl00_cphMain_btnbut').focus();
	 	 }
 
	 	 if(sectorName=='Industrial')
	 	 {
	 		document.cookie="=Top"
	 		document.getElementById('ctl00_cphMain_btnbut').focus();
	 	 }
 
		 if(sectorName=='Retail')
	 	 {
		 	// cookie not found 
			 if (cookiesAvailable.indexOf('Top') == -1)
			 { 
				//alert('No Cookie');
		     }
		     if (cookiesAvailable.indexOf('Top') != -1)
			 {  
	    		document.getElementById('ctl00_cphMain_btnbut').focus();
		     }
 	 	 }
	}
}