With the sales in full swing, a trip to your local high street can be a dangerous business. Step through the doors of any major retailer and it's every man, woman and child for themselves as Britain's bargain hunter-gatherers succumb to their more primitive instincts. It's enough to drive anyone to daydreams of sunkissed beaches, and from there to mouse and screen and holiday sites online - especially if you're female. For, according to the results of one survey, unveiled last week, it is women who wear the trousers when browsing for and booking trips on the internet.