function ToggleNavBar(NavBar) 
{
if (document.getElementById(NavBar).style.display == 'none') {
document.getElementById(NavBar).style.display =''
 } else {
document.getElementById(NavBar).style.display = 'none'
 }
}

function isValidURL(url){
    var RegExp = /^(([\w]+:)?\/\/)?(([\d\w]|%[a-fA-f\d]{2,2})+(:([\d\w]|%[a-fA-f\d]{2,2})+)?@)?([\d\w][-\d\w]{0,253}[\d\w]\.)+[\w]{2,4}(:[\d]+)?(\/([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)*(\?(&?([-+_~.\d\w]|%[a-fA-f\d]{2,2})=?)*)?(#([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)?$/;
    if(RegExp.test(url)){
        return true;
    }else{
        return false;
    }
}
	
	
function isValidEmail(email){
    var RegExp = /^((([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+(\.([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+)*)@((((([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.))*([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.)[\w]{2,4}|(((([0-9]){1,3}\.){3}([0-9]){1,3}))|(\[((([0-9]){1,3}\.){3}([0-9]){1,3})\])))$/;
    if(RegExp.test(email)){
        return true;
    }else{
        return false;
    }
}	

function displayBlockLeft(BlockToDisply, BlockToHide1, BlockToHide2) {

 document.all[BlockToDisply].style.display=""
 document.all[BlockToDisply+'_Tab'].className= "MostPopularSelecteLeft"
 document.all[BlockToHide1].style.display="none"
 document.all[BlockToHide1+'_Tab'].className= "MostPopularNotSelectedLeft"
 document.all[BlockToHide2].style.display="none"
 document.all[BlockToHide2+'_Tab'].className= "MostPopularNotSelectedLeft"
}