//for pop up menu ............
var contents = "comp" ;

function showUp(divLink,id){
var page_old ;
var page_new ;

	if(document.all){
		 
		 page_old = eval(document.all.item(contents).style) ;
		 page_old.visibility = "hidden" ;
		 
		 page_new = eval(document.all.item(divLink).style) ;
		 page_new.visibility = "visible" ;
		 
			contents = divLink ;
		//
			if(id==0){
				if(page_new.visibility == "visible" ){page_new.visibility = "hidden" ;}
			}
	}


	if(document.layers){
		 page_old = eval(document.layers[contents]) ;
		 page_old.visibility = "hidden" ;
		 		
		 page_new = eval(document.layers[divLink]) ;
		 page_new.visibility = "visible" ;
		
			contents = divLink ;
		//

			if(id==0){
alert(page_new.visibility);
				if(page_new.visibility == "show" ){page_new.visibility = "hidden" ;}
				alert(page_new.visibility);
			}
		}
}
//
function hideUp(divId){
	if(document.all){
 var page = document.all.item(divId).style ;
	  page.visibility = "hidden" ;

	}
	
	if(document.layers){
 var page = document.layers[divId] ;
	  page.visibility = "hidden" ;

	}

}



//for left Body Text 
var txt = "prod_txt" ;
function showTxt(divTxt){
	
	if(document.all){
		txt_old = eval(document.all.item(txt).style);
		txt_new = eval(document.all.item(divTxt).style);
		txt_old.visibility = "hidden" ;
		txt_new.visibility = "visible" ;
	}

	if(document.layers){
		txt_old = eval(document.layers[txt]);
		txt_new = eval(document.layers[divTxt]);
		txt_old.visibility = "hidden" ;
		txt_new.visibility = "visible" ;
	}
		txt = divTxt ;

}
// 
function hideTxt(divTxt){
	if(document.all){
	var text = document.all.item(divTxt).style ;
	 text.visibility = "hidden" ;
	}
	if(document.layers){
	var text = document.layers[divTxt] ;
		 text.visibility = "hidden" ;
	}


}

//


function loadHeader(){
var source = parent.frames[2].location.href;
var imgname = source.substring((source.lastIndexOf("/")+1) , (source.indexOf(".html"))) ;
var imgsrc = "images/"+imgname+".gif" ;
//
//for display header at the top in left frame
	if(document.all){
	parent.frames[1].header.style.left = 200 ;
	parent.frames[1].header.style.top = 20 ;
	parent.frames[1].header.innerHTML="<IMG SRC='"+imgsrc+"' BORDER=0 ALT=''>";
	}

	if(document.layers){
	parent.frames[1].document.header.left = 200 ;
	parent.frames[1].document.header.top = 20 ;
	parent.frames[1].document.header.document.open() 
	parent.frames[1].document.header.document.write("<IMG SRC='"+imgsrc+"' BORDER=0 ALT=''>");
	parent.frames[1].document.header.document.close() 

	}

}
//to change logo from comp_about_envpolicy.html & comp_about_mgtteam.html page
var com_team_logo = new Image() ;
var com_pol_logo = new Image() ;
	 com_team_logo.src = "images/i_c_aboutus_team_top.gif" ; // 
	 com_pol_logo.src = "images/i_c_aboutus_enviorn_top.gif" ;//
	 
function chglogo(page){
	if(page=="team"){
		if(document.all){parent.frames[1].logo.src=com_team_logo.src ;}
		if(document.layers){parent.frames[1].document.logo.src=com_team_logo.src;}
	}
	if(page=="policy"){
		if(document.all){parent.frames[1].logo.src=com_pol_logo.src ;}
		if(document.layers){parent.frames[1].document.logo.src=com_pol_logo.src;}
	}

}